MC

a53c_2231

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 30–38 10.0 
B 55–65 1.0 
C 15–30 5.0 
D 75–85 3.0 

Under which one of the following conditions would enzyme C be most active?

The temperature is 17°C and the pH is 5.4. Correct The temperature is 40°C and the pH is 4.8. Incorrect The temperature is 42°C and the pH is 3.0. Incorrect The temperature is 45°C and the pH is 6.5. Incorrect The temperature is 22°C and the pH is 3.5. Incorrect MC

887a_11be

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 15–33 9.0 
B 70–82 1.0 
C 45–53 7.0 
D 55–65 4.0 

Under which one of the following conditions would enzyme A be most active?

The temperature is 0°C and the pH is 11.0. Incorrect The temperature is 40°C and the pH is 7.0. Incorrect The temperature is 29°C and the pH is 9.2. Correct The temperature is 47°C and the pH is 10.5. Incorrect The temperature is 19°C and the pH is 11.5. Incorrect MC

2cfb_0a79

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 75–85 9.0 
B 40–48 4.0 
C 65–77 7.0 
D 55–73 1.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 58°C and the pH is 3.0. Incorrect The temperature is 85°C and the pH is 3.5. Incorrect The temperature is 79°C and the pH is 0.5. Incorrect The temperature is 43°C and the pH is 2.5. Incorrect The temperature is 69°C and the pH is 0.6. Correct MC

5b76_4dc9

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 45–55 8.0 
B 35–53 10.0 
C 70–85 1.0 
D 20–32 5.0 

Under which one of the following conditions would enzyme C be most active?

The temperature is 91°C and the pH is 3.0. Incorrect The temperature is 62°C and the pH is 1.0. Incorrect The temperature is 94°C and the pH is 0.5. Incorrect The temperature is 78°C and the pH is 2.5. Incorrect The temperature is 72°C and the pH is 0.8. Correct MC

b054_0d11

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 20–30 10.0 
B 70–80 8.0 
C 45–57 5.0 
D 60–68 1.0 

Under which one of the following conditions would enzyme B be most active?

The temperature is 75°C and the pH is 7.6. Correct The temperature is 87°C and the pH is 10.0. Incorrect The temperature is 92°C and the pH is 6.0. Incorrect The temperature is 62°C and the pH is 9.5. Incorrect The temperature is 77°C and the pH is 9.5. Incorrect MC

5016_1a94

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 70–82 3.0 
B 40–58 9.0 
C 30–38 7.0 
D 20–30 5.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 5°C and the pH is 6.5. Incorrect The temperature is 12°C and the pH is 3.5. Incorrect The temperature is 12°C and the pH is 5.0. Incorrect The temperature is 25°C and the pH is 5.0. Correct The temperature is 40°C and the pH is 4.8. Incorrect MC

62ef_cc36

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 60–75 8.0 
B 45–57 2.0 
C 15–25 10.0 
D 35–43 5.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 40°C and the pH is 6.5. Incorrect The temperature is 40°C and the pH is 3.0. Incorrect The temperature is 37°C and the pH is 5.4. Correct The temperature is 23°C and the pH is 5.4. Incorrect The temperature is 57°C and the pH is 7.5. Incorrect MC

1d6e_f3bb

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 65–83 3.0 
B 25–37 1.0 
C 45–55 5.0 
D 15–23 8.0 

Under which one of the following conditions would enzyme B be most active?

The temperature is 31°C and the pH is 0.6. Correct The temperature is 49°C and the pH is 1.0. Incorrect The temperature is 18°C and the pH is 2.5. Incorrect The temperature is 29°C and the pH is 3.5. Incorrect The temperature is 15°C and the pH is 0.5. Incorrect MC

b9c4_0748

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 60–70 2.0 
B 30–38 5.0 
C 45–57 10.0 
D 75–85 7.0 

Under which one of the following conditions would enzyme B be most active?

The temperature is 48°C and the pH is 3.0. Incorrect The temperature is 34°C and the pH is 5.2. Correct The temperature is 50°C and the pH is 7.0. Incorrect The temperature is 19°C and the pH is 5.0. Incorrect The temperature is 44°C and the pH is 5.4. Incorrect MC

eb76_46e0

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 55–67 6.0 
B 35–53 10.0 
C 20–30 4.0 
D 75–85 2.0 

Under which one of the following conditions would enzyme C be most active?

The temperature is 24°C and the pH is 4.2. Correct The temperature is 9°C and the pH is 5.5. Incorrect The temperature is 40°C and the pH is 4.2. Incorrect The temperature is 43°C and the pH is 6.5. Incorrect The temperature is 11°C and the pH is 3.6. Incorrect MC

8cb0_bf76

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 40–50 2.0 
B 15–33 7.0 
C 65–73 10.0 
D 55–70 4.0 

Under which one of the following conditions would enzyme C be most active?

The temperature is 86°C and the pH is 10.0. Incorrect The temperature is 70°C and the pH is 12.5. Incorrect The temperature is 54°C and the pH is 11.5. Incorrect The temperature is 71°C and the pH is 9.6. Correct The temperature is 55°C and the pH is 9.6. Incorrect MC

a21b_2ed3

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 65–75 9.0 
B 15–23 2.0 
C 25–43 5.0 
D 50–62 7.0 

Under which one of the following conditions would enzyme B be most active?

The temperature is 16°C and the pH is 2.2. Correct The temperature is 22°C and the pH is 0.5. Incorrect The temperature is 18°C and the pH is 4.0. Incorrect The temperature is 35°C and the pH is 3.5. Incorrect The temperature is 32°C and the pH is 0.5. Incorrect MC

50a8_2d7b

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 15–33 5.0 
B 50–58 1.0 
C 65–75 3.0 
D 35–47 10.0 

Under which one of the following conditions would enzyme C be most active?

The temperature is 87°C and the pH is 3.0. Incorrect The temperature is 84°C and the pH is 1.5. Incorrect The temperature is 50°C and the pH is 3.0. Incorrect The temperature is 50°C and the pH is 4.5. Incorrect The temperature is 73°C and the pH is 3.2. Correct MC

2bea_2a04

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 15–25 7.0 
B 65–83 9.0 
C 40–48 1.0 
D 30–42 5.0 

Under which one of the following conditions would enzyme B be most active?

The temperature is 56°C and the pH is 7.0. Incorrect The temperature is 98°C and the pH is 7.5. Incorrect The temperature is 67°C and the pH is 8.6. Correct The temperature is 57°C and the pH is 11.5. Incorrect The temperature is 95°C and the pH is 11.5. Incorrect MC

4772_00b3

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 65–83 9.0 
B 30–40 3.0 
C 20–28 5.0 
D 45–57 7.0 

Under which one of the following conditions would enzyme C be most active?

The temperature is 36°C and the pH is 7.0. Incorrect The temperature is 25°C and the pH is 5.0. Correct The temperature is 8°C and the pH is 5.0. Incorrect The temperature is 22°C and the pH is 2.5. Incorrect The temperature is 43°C and the pH is 5.0. Incorrect MC

68c8_db93

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 60–78 5.0 
B 40–50 10.0 
C 30–38 7.0 
D 15–27 2.0 

Under which one of the following conditions would enzyme C be most active?

The temperature is 21°C and the pH is 5.5. Incorrect The temperature is 35°C and the pH is 7.0. Correct The temperature is 36°C and the pH is 9.0. Incorrect The temperature is 36°C and the pH is 5.0. Incorrect The temperature is 45°C and the pH is 5.0. Incorrect MC

afcc_436b

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 25–43 3.0 
B 50–58 6.0 
C 60–70 1.0 
D 15–25 9.0 

Under which one of the following conditions would enzyme A be most active?

The temperature is 35°C and the pH is 4.5. Incorrect The temperature is 10°C and the pH is 5.0. Incorrect The temperature is 54°C and the pH is 2.8. Incorrect The temperature is 34°C and the pH is 3.2. Correct The temperature is 31°C and the pH is 0.5. Incorrect MC

4bb6_b79e

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 55–65 5.0 
B 35–50 3.0 
C 25–33 9.0 
D 70–85 1.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 91°C and the pH is 2.5. Incorrect The temperature is 59°C and the pH is 0.5. Incorrect The temperature is 75°C and the pH is 1.0. Correct The temperature is 100°C and the pH is 1.2. Incorrect The temperature is 62°C and the pH is 1.0. Incorrect MC

c2e1_2a94

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 70–85 4.0 
B 45–53 7.0 
C 15–25 2.0 
D 60–78 10.0 

Under which one of the following conditions would enzyme C be most active?

The temperature is 21°C and the pH is 4.5. Incorrect The temperature is 35°C and the pH is 0.5. Incorrect The temperature is 22°C and the pH is 1.6. Correct The temperature is 34°C and the pH is 3.5. Incorrect The temperature is 9°C and the pH is 4.5. Incorrect MC

84bb_61e7

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 45–57 8.0 
B 70–78 5.0 
C 15–25 3.0 
D 35–45 1.0 

Under which one of the following conditions would enzyme C be most active?

The temperature is 5°C and the pH is 2.6. Incorrect The temperature is 36°C and the pH is 2.8. Incorrect The temperature is 17°C and the pH is 2.6. Correct The temperature is 35°C and the pH is 0.5. Incorrect The temperature is 5°C and the pH is 1.5. Incorrect MC

2b69_61da

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 65–75 9.0 
B 55–67 7.0 
C 25–35 2.0 
D 15–23 5.0 

Under which one of the following conditions would enzyme A be most active?

The temperature is 69°C and the pH is 9.0. Correct The temperature is 90°C and the pH is 8.6. Incorrect The temperature is 70°C and the pH is 7.5. Incorrect The temperature is 56°C and the pH is 7.0. Incorrect The temperature is 86°C and the pH is 7.5. Incorrect MC

0e1d_a078

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 55–70 5.0 
B 45–63 1.0 
C 25–37 10.0 
D 75–85 8.0 

Under which one of the following conditions would enzyme C be most active?

The temperature is 31°C and the pH is 11.5. Incorrect The temperature is 33°C and the pH is 10.2. Correct The temperature is 50°C and the pH is 12.0. Incorrect The temperature is 50°C and the pH is 10.2. Incorrect The temperature is 11°C and the pH is 7.5. Incorrect MC

0712_ff2c

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 60–70 8.0 
B 25–43 5.0 
C 45–53 1.0 
D 15–25 3.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 18°C and the pH is 5.0. Incorrect The temperature is 33°C and the pH is 5.0. Incorrect The temperature is 1°C and the pH is 0.5. Incorrect The temperature is 2°C and the pH is 4.5. Incorrect The temperature is 18°C and the pH is 3.0. Correct MC

e929_5e0d

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 65–75 7.0 
B 50–58 4.0 
C 30–45 9.0 
D 20–30 1.0 

Under which one of the following conditions would enzyme A be most active?

The temperature is 84°C and the pH is 9.0. Incorrect The temperature is 57°C and the pH is 5.0. Incorrect The temperature is 58°C and the pH is 7.0. Incorrect The temperature is 70°C and the pH is 7.2. Correct The temperature is 69°C and the pH is 5.0. Incorrect MC

9587_3490

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 70–80 2.0 
B 25–43 9.0 
C 50–62 4.0 
D 15–23 6.0 

Under which one of the following conditions would enzyme A be most active?

The temperature is 86°C and the pH is 2.4. Incorrect The temperature is 71°C and the pH is 2.2. Correct The temperature is 92°C and the pH is 0.5. Incorrect The temperature is 55°C and the pH is 2.2. Incorrect The temperature is 78°C and the pH is 4.5. Incorrect MC

f444_b1c5

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 55–65 8.0 
B 15–27 5.0 
C 35–53 10.0 
D 70–85 1.0 

Under which one of the following conditions would enzyme B be most active?

The temperature is 24°C and the pH is 5.2. Correct The temperature is 35°C and the pH is 3.5. Incorrect The temperature is 4°C and the pH is 6.5. Incorrect The temperature is 36°C and the pH is 7.5. Incorrect The temperature is 19°C and the pH is 3.0. Incorrect MC

4b4b_f2d9

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 15–33 3.0 
B 50–58 7.0 
C 40–50 10.0 
D 75–85 1.0 

Under which one of the following conditions would enzyme C be most active?

The temperature is 57°C and the pH is 9.8. Incorrect The temperature is 32°C and the pH is 10.4. Incorrect The temperature is 28°C and the pH is 11.5. Incorrect The temperature is 57°C and the pH is 11.5. Incorrect The temperature is 41°C and the pH is 9.6. Correct MC

69d6_9102

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 30–48 4.0 
B 70–78 7.0 
C 20–35 2.0 
D 55–65 10.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 74°C and the pH is 8.5. Incorrect The temperature is 79°C and the pH is 9.8. Incorrect The temperature is 48°C and the pH is 10.2. Incorrect The temperature is 77°C and the pH is 12.5. Incorrect The temperature is 56°C and the pH is 10.0. Correct MC

6387_cd16

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 70–80 4.0 
B 15–30 2.0 
C 55–67 6.0 
D 40–58 8.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 26°C and the pH is 6.0. Incorrect The temperature is 70°C and the pH is 8.4. Incorrect The temperature is 34°C and the pH is 8.2. Incorrect The temperature is 47°C and the pH is 10.5. Incorrect The temperature is 52°C and the pH is 7.6. Correct MC

fc86_1c1f

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 60–70 8.0 
B 40–48 5.0 
C 25–35 2.0 
D 75–85 10.0 

Under which one of the following conditions would enzyme A be most active?

The temperature is 78°C and the pH is 9.5. Incorrect The temperature is 64°C and the pH is 8.2. Correct The temperature is 62°C and the pH is 6.0. Incorrect The temperature is 49°C and the pH is 8.2. Incorrect The temperature is 84°C and the pH is 7.6. Incorrect MC

6816_b2cf

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 75–85 4.0 
B 35–43 6.0 
C 45–63 8.0 
D 25–37 1.0 

Under which one of the following conditions would enzyme A be most active?

The temperature is 64°C and the pH is 2.5. Incorrect The temperature is 97°C and the pH is 2.5. Incorrect The temperature is 78°C and the pH is 1.5. Incorrect The temperature is 92°C and the pH is 5.5. Incorrect The temperature is 76°C and the pH is 3.8. Correct MC

ca20_57f5

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 75–85 5.0 
B 20–38 7.0 
C 65–73 1.0 
D 40–50 3.0 

Under which one of the following conditions would enzyme B be most active?

The temperature is 28°C and the pH is 6.6. Correct The temperature is 29°C and the pH is 4.5. Incorrect The temperature is 44°C and the pH is 9.5. Incorrect The temperature is 9°C and the pH is 8.5. Incorrect The temperature is 10°C and the pH is 7.0. Incorrect MC

76b0_a17f

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 65–77 6.0 
B 15–33 2.0 
C 45–60 4.0 
D 35–43 9.0 

Under which one of the following conditions would enzyme B be most active?

The temperature is 3°C and the pH is 2.4. Incorrect The temperature is 26°C and the pH is 0.5. Incorrect The temperature is 48°C and the pH is 0.5. Incorrect The temperature is 48°C and the pH is 4.0. Incorrect The temperature is 24°C and the pH is 2.2. Correct MC

d271_4c1b

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 55–63 7.0 
B 35–47 10.0 
C 25–40 3.0 
D 65–83 5.0 

Under which one of the following conditions would enzyme A be most active?

The temperature is 58°C and the pH is 7.4. Correct The temperature is 49°C and the pH is 8.5. Incorrect The temperature is 44°C and the pH is 7.2. Incorrect The temperature is 48°C and the pH is 5.0. Incorrect The temperature is 78°C and the pH is 9.5. Incorrect MC

e7ae_9191

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 20–30 2.0 
B 35–47 5.0 
C 65–80 7.0 
D 50–58 10.0 

Under which one of the following conditions would enzyme B be most active?

The temperature is 46°C and the pH is 3.0. Incorrect The temperature is 58°C and the pH is 7.0. Incorrect The temperature is 25°C and the pH is 4.8. Incorrect The temperature is 61°C and the pH is 5.4. Incorrect The temperature is 42°C and the pH is 5.0. Correct MC

8d1e_ef77

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 40–48 8.0 
B 30–40 6.0 
C 65–77 1.0 
D 15–30 3.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 19°C and the pH is 2.6. Correct The temperature is 44°C and the pH is 1.5. Incorrect The temperature is 7°C and the pH is 3.4. Incorrect The temperature is 38°C and the pH is 4.5. Incorrect The temperature is 28°C and the pH is 5.5. Incorrect MC

f6c9_5cf3

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 45–55 5.0 
B 75–85 1.0 
C 65–77 9.0 
D 35–53 3.0 

Under which one of the following conditions would enzyme C be most active?

The temperature is 83°C and the pH is 6.5. Incorrect The temperature is 67°C and the pH is 9.4. Correct The temperature is 55°C and the pH is 6.5. Incorrect The temperature is 89°C and the pH is 8.8. Incorrect The temperature is 72°C and the pH is 6.5. Incorrect MC

053b_cb73

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 40–50 6.0 
B 30–42 4.0 
C 55–63 9.0 
D 65–75 2.0 

Under which one of the following conditions would enzyme B be most active?

The temperature is 31°C and the pH is 2.5. Incorrect The temperature is 35°C and the pH is 4.4. Correct The temperature is 23°C and the pH is 2.0. Incorrect The temperature is 21°C and the pH is 5.5. Incorrect The temperature is 33°C and the pH is 6.0. Incorrect MC

cba6_f915

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 70–85 9.0 
B 30–40 7.0 
C 20–30 1.0 
D 55–67 5.0 

Under which one of the following conditions would enzyme C be most active?

The temperature is 14°C and the pH is 0.5. Incorrect The temperature is 45°C and the pH is 1.4. Incorrect The temperature is 37°C and the pH is 3.0. Incorrect The temperature is 42°C and the pH is 0.5. Incorrect The temperature is 25°C and the pH is 1.4. Correct MC

5763_6dc0

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 70–82 1.0 
B 30–45 7.0 
C 50–58 4.0 
D 15–25 9.0 

Under which one of the following conditions would enzyme B be most active?

The temperature is 18°C and the pH is 9.0. Incorrect The temperature is 51°C and the pH is 9.5. Incorrect The temperature is 32°C and the pH is 7.4. Correct The temperature is 23°C and the pH is 5.0. Incorrect The temperature is 57°C and the pH is 7.0. Incorrect MC

6353_a2de

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 75–85 3.0 
B 15–33 7.0 
C 65–73 10.0 
D 40–50 1.0 

Under which one of the following conditions would enzyme C be most active?

The temperature is 82°C and the pH is 12.0. Incorrect The temperature is 57°C and the pH is 10.2. Incorrect The temperature is 70°C and the pH is 9.6. Correct The temperature is 86°C and the pH is 8.5. Incorrect The temperature is 86°C and the pH is 10.2. Incorrect MC

64f6_aa82

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 20–32 7.0 
B 60–78 5.0 
C 35–50 2.0 
D 10–17 10.0 

Under which one of the following conditions would enzyme A be most active?

The temperature is 26°C and the pH is 7.2. Correct The temperature is 22°C and the pH is 9.5. Incorrect The temperature is 39°C and the pH is 6.6. Incorrect The temperature is 40°C and the pH is 9.0. Incorrect The temperature is 39°C and the pH is 5.0. Incorrect MC

62d7_47fe

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 75–85 6.0 
B 15–23 1.0 
C 50–60 8.0 
D 40–50 3.0 

Under which one of the following conditions would enzyme C be most active?

The temperature is 75°C and the pH is 10.5. Incorrect The temperature is 36°C and the pH is 10.5. Incorrect The temperature is 53°C and the pH is 10.5. Incorrect The temperature is 53°C and the pH is 6.5. Incorrect The temperature is 53°C and the pH is 7.6. Correct MC

391c_a264

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 75–85 2.0 
B 25–43 10.0 
C 60–68 5.0 
D 45–60 8.0 

Under which one of the following conditions would enzyme C be most active?

The temperature is 48°C and the pH is 6.5. Incorrect The temperature is 47°C and the pH is 2.5. Incorrect The temperature is 63°C and the pH is 5.0. Correct The temperature is 77°C and the pH is 2.5. Incorrect The temperature is 66°C and the pH is 6.5. Incorrect MC

4fe3_542b

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 35–50 5.0 
B 25–37 9.0 
C 60–70 2.0 
D 75–85 7.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 82°C and the pH is 5.5. Incorrect The temperature is 67°C and the pH is 7.0. Incorrect The temperature is 79°C and the pH is 8.5. Incorrect The temperature is 84°C and the pH is 6.8. Correct The temperature is 91°C and the pH is 4.5. Incorrect MC

65fd_d56f

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 70–80 8.0 
B 30–48 5.0 
C 50–60 1.0 
D 15–27 10.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 16°C and the pH is 8.5. Incorrect The temperature is 35°C and the pH is 10.4. Incorrect The temperature is 42°C and the pH is 8.0. Incorrect The temperature is 7°C and the pH is 8.5. Incorrect The temperature is 18°C and the pH is 10.2. Correct MC

78be_41bc

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 60–70 10.0 
B 25–33 5.0 
C 40–58 1.0 
D 75–85 7.0 

Under which one of the following conditions would enzyme A be most active?

The temperature is 46°C and the pH is 8.0. Incorrect The temperature is 85°C and the pH is 8.5. Incorrect The temperature is 66°C and the pH is 10.4. Correct The temperature is 79°C and the pH is 12.5. Incorrect The temperature is 67°C and the pH is 8.5. Incorrect MC

6b77_3e83

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 40–50 4.0 
B 55–73 10.0 
C 30–45 1.0 
D 15–23 6.0 

Under which one of the following conditions would enzyme A be most active?

The temperature is 45°C and the pH is 4.4. Correct The temperature is 33°C and the pH is 2.0. Incorrect The temperature is 43°C and the pH is 1.5. Incorrect The temperature is 65°C and the pH is 2.0. Incorrect The temperature is 25°C and the pH is 5.5. Incorrect MC

ac51_b10d

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 50–62 1.0 
B 75–83 7.0 
C 15–25 3.0 
D 35–45 9.0 

Under which one of the following conditions would enzyme B be most active?

The temperature is 69°C and the pH is 4.5. Incorrect The temperature is 94°C and the pH is 7.2. Incorrect The temperature is 63°C and the pH is 7.4. Incorrect The temperature is 79°C and the pH is 7.2. Correct The temperature is 95°C and the pH is 9.0. Incorrect MC

5f9c_c167

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 35–47 6.0 
B 75–85 9.0 
C 20–30 1.0 
D 65–73 3.0 

Under which one of the following conditions would enzyme B be most active?

The temperature is 83°C and the pH is 9.4. Correct The temperature is 67°C and the pH is 7.0. Incorrect The temperature is 76°C and the pH is 11.5. Incorrect The temperature is 62°C and the pH is 11.0. Incorrect The temperature is 63°C and the pH is 9.0. Incorrect MC

556c_032e

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 50–60 8.0 
B 15–25 3.0 
C 65–77 10.0 
D 35–53 1.0 

Under which one of the following conditions would enzyme B be most active?

The temperature is 18°C and the pH is 1.5. Incorrect The temperature is 31°C and the pH is 3.4. Incorrect The temperature is 19°C and the pH is 3.4. Correct The temperature is 0°C and the pH is 5.0. Incorrect The temperature is 3°C and the pH is 1.0. Incorrect MC

3cc2_cc17

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 60–70 5.0 
B 40–50 3.0 
C 30–45 9.0 
D 75–85 1.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 96°C and the pH is 3.5. Incorrect The temperature is 82°C and the pH is 1.0. Correct The temperature is 92°C and the pH is 0.8. Incorrect The temperature is 69°C and the pH is 2.5. Incorrect The temperature is 61°C and the pH is 1.0. Incorrect MC

7810_effa

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 40–50 3.0 
B 25–35 6.0 
C 75–85 9.0 
D 60–75 1.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 63°C and the pH is 2.5. Incorrect The temperature is 68°C and the pH is 0.5. Incorrect The temperature is 49°C and the pH is 3.0. Incorrect The temperature is 84°C and the pH is 0.5. Incorrect The temperature is 69°C and the pH is 1.2. Correct MC

bd29_0e42

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 20–35 8.0 
B 45–63 5.0 
C 75–83 1.0 
D 65–75 10.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 56°C and the pH is 10.4. Incorrect The temperature is 71°C and the pH is 10.0. Correct The temperature is 84°C and the pH is 8.0. Incorrect The temperature is 81°C and the pH is 11.5. Incorrect The temperature is 67°C and the pH is 12.5. Incorrect MC

2f51_59a3

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 70–82 5.0 
B 45–60 7.0 
C 30–48 10.0 
D 15–25 2.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 16°C and the pH is 1.8. Correct The temperature is 2°C and the pH is 4.5. Incorrect The temperature is 23°C and the pH is 0.5. Incorrect The temperature is 37°C and the pH is 1.6. Incorrect The temperature is 3°C and the pH is 0.5. Incorrect MC

d5d2_06e8

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 30–45 2.0 
B 20–28 5.0 
C 50–68 10.0 
D 70–80 8.0 

Under which one of the following conditions would enzyme B be most active?

The temperature is 23°C and the pH is 2.5. Incorrect The temperature is 23°C and the pH is 5.0. Correct The temperature is 38°C and the pH is 2.5. Incorrect The temperature is 43°C and the pH is 7.0. Incorrect The temperature is 35°C and the pH is 4.6. Incorrect MC

829b_9d54

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 70–85 6.0 
B 20–32 8.0 
C 40–50 2.0 
D 60–78 10.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 74°C and the pH is 9.6. Correct The temperature is 85°C and the pH is 12.0. Incorrect The temperature is 63°C and the pH is 7.5. Incorrect The temperature is 45°C and the pH is 9.6. Incorrect The temperature is 50°C and the pH is 8.0. Incorrect MC

8ab7_1d3a

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 65–73 3.0 
B 40–52 1.0 
C 25–43 8.0 
D 55–65 10.0 

Under which one of the following conditions would enzyme A be most active?

The temperature is 57°C and the pH is 5.5. Incorrect The temperature is 79°C and the pH is 1.0. Incorrect The temperature is 71°C and the pH is 5.5. Incorrect The temperature is 68°C and the pH is 3.4. Correct The temperature is 59°C and the pH is 1.5. Incorrect MC

3e5e_116a

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 45–55 1.0 
B 20–38 6.0 
C 65–80 8.0 
D 10–17 3.0 

Under which one of the following conditions would enzyme B be most active?

The temperature is 7°C and the pH is 8.5. Incorrect The temperature is 47°C and the pH is 8.0. Incorrect The temperature is 26°C and the pH is 5.8. Correct The temperature is 14°C and the pH is 4.0. Incorrect The temperature is 46°C and the pH is 6.2. Incorrect MC

2f11_2c12

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 45–57 5.0 
B 75–85 1.0 
C 65–80 3.0 
D 20–28 10.0 

Under which one of the following conditions would enzyme B be most active?

The temperature is 99°C and the pH is 1.2. Incorrect The temperature is 83°C and the pH is 1.4. Correct The temperature is 94°C and the pH is 2.5. Incorrect The temperature is 64°C and the pH is 0.8. Incorrect The temperature is 60°C and the pH is 0.5. Incorrect MC

4d9a_36cc

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 40–50 7.0 
B 30–45 5.0 
C 60–72 2.0 
D 20–28 9.0 

Under which one of the following conditions would enzyme A be most active?

The temperature is 58°C and the pH is 8.5. Incorrect The temperature is 62°C and the pH is 5.5. Incorrect The temperature is 44°C and the pH is 6.6. Correct The temperature is 49°C and the pH is 9.0. Incorrect The temperature is 63°C and the pH is 7.2. Incorrect MC

12a2_61e7

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 20–28 6.0 
B 40–58 4.0 
C 65–75 1.0 
D 30–42 9.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 35°C and the pH is 6.5. Incorrect The temperature is 54°C and the pH is 11.0. Incorrect The temperature is 40°C and the pH is 9.4. Correct The temperature is 22°C and the pH is 8.6. Incorrect The temperature is 39°C and the pH is 10.5. Incorrect MC

5f3d_a237

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 50–65 9.0 
B 35–43 6.0 
C 25–43 4.0 
D 70–82 2.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 79°C and the pH is 2.2. Correct The temperature is 96°C and the pH is 0.5. Incorrect The temperature is 91°C and the pH is 2.4. Incorrect The temperature is 79°C and the pH is 0.5. Incorrect The temperature is 62°C and the pH is 2.4. Incorrect MC

0b34_1133

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 65–80 8.0 
B 50–68 5.0 
C 15–27 1.0 
D 30–40 10.0 

Under which one of the following conditions would enzyme A be most active?

The temperature is 94°C and the pH is 10.5. Incorrect The temperature is 57°C and the pH is 7.6. Incorrect The temperature is 76°C and the pH is 5.5. Incorrect The temperature is 66°C and the pH is 8.0. Correct The temperature is 67°C and the pH is 10.0. Incorrect MC

4b97_2126

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 55–65 7.0 
B 30–48 4.0 
C 75–85 10.0 
D 15–25 1.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 18°C and the pH is 1.2. Correct The temperature is 9°C and the pH is 0.5. Incorrect The temperature is 21°C and the pH is 0.5. Incorrect The temperature is 2°C and the pH is 2.5. Incorrect The temperature is 19°C and the pH is 3.5. Incorrect MC

2b20_3a3d

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 70–80 3.0 
B 60–78 5.0 
C 25–40 1.0 
D 15–25 10.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 5°C and the pH is 12.5. Incorrect The temperature is 34°C and the pH is 8.0. Incorrect The temperature is 36°C and the pH is 12.0. Incorrect The temperature is 5°C and the pH is 7.5. Incorrect The temperature is 24°C and the pH is 10.2. Correct MC

67f8_8bf9

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 25–35 6.0 
B 65–80 9.0 
C 40–58 2.0 
D 15–27 4.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 5°C and the pH is 5.5. Incorrect The temperature is 35°C and the pH is 4.2. Incorrect The temperature is 39°C and the pH is 5.5. Incorrect The temperature is 25°C and the pH is 3.8. Correct The temperature is 20°C and the pH is 2.5. Incorrect MC

9f1d_e47b

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 50–62 2.0 
B 20–28 8.0 
C 35–53 6.0 
D 75–85 4.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 66°C and the pH is 4.0. Incorrect The temperature is 81°C and the pH is 4.2. Correct The temperature is 96°C and the pH is 4.2. Incorrect The temperature is 80°C and the pH is 6.5. Incorrect The temperature is 95°C and the pH is 6.0. Incorrect MC

cc11_75a8

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 15–25 2.0 
B 60–68 4.0 
C 45–60 9.0 
D 35–45 7.0 

Under which one of the following conditions would enzyme C be most active?

The temperature is 46°C and the pH is 7.0. Incorrect The temperature is 53°C and the pH is 9.0. Correct The temperature is 31°C and the pH is 11.0. Incorrect The temperature is 56°C and the pH is 11.0. Incorrect The temperature is 31°C and the pH is 6.5. Incorrect MC

84b0_4896

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 50–58 9.0 
B 25–35 3.0 
C 15–30 7.0 
D 70–82 1.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 78°C and the pH is 2.5. Incorrect The temperature is 89°C and the pH is 3.0. Incorrect The temperature is 64°C and the pH is 0.5. Incorrect The temperature is 60°C and the pH is 2.5. Incorrect The temperature is 79°C and the pH is 1.0. Correct MC

057e_fcda

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 50–65 10.0 
B 75–85 6.0 
C 40–50 3.0 
D 30–42 1.0 

Under which one of the following conditions would enzyme A be most active?

The temperature is 55°C and the pH is 10.0. Correct The temperature is 61°C and the pH is 8.0. Incorrect The temperature is 61°C and the pH is 12.0. Incorrect The temperature is 74°C and the pH is 7.5. Incorrect The temperature is 77°C and the pH is 11.5. Incorrect MC

149a_faf6

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 20–30 9.0 
B 35–50 7.0 
C 60–72 1.0 
D 75–85 3.0 

Under which one of the following conditions would enzyme B be most active?

The temperature is 60°C and the pH is 6.8. Incorrect The temperature is 45°C and the pH is 7.4. Correct The temperature is 24°C and the pH is 4.5. Incorrect The temperature is 38°C and the pH is 5.5. Incorrect The temperature is 26°C and the pH is 7.0. Incorrect MC

78de_dea3

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 40–50 1.0 
B 55–70 10.0 
C 20–30 3.0 
D 75–85 6.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 96°C and the pH is 8.0. Incorrect The temperature is 92°C and the pH is 3.5. Incorrect The temperature is 65°C and the pH is 7.5. Incorrect The temperature is 77°C and the pH is 4.5. Incorrect The temperature is 77°C and the pH is 5.6. Correct MC

491b_22c0

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 35–43 10.0 
B 50–65 1.0 
C 25–43 4.0 
D 75–85 6.0 

Under which one of the following conditions would enzyme A be most active?

The temperature is 38°C and the pH is 10.2. Correct The temperature is 58°C and the pH is 11.5. Incorrect The temperature is 58°C and the pH is 9.8. Incorrect The temperature is 41°C and the pH is 7.5. Incorrect The temperature is 27°C and the pH is 7.5. Incorrect MC

22fe_f762

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 60–70 5.0 
B 40–50 8.0 
C 20–35 3.0 
D 75–85 1.0 

Under which one of the following conditions would enzyme C be most active?

The temperature is 24°C and the pH is 3.4. Correct The temperature is 24°C and the pH is 1.0. Incorrect The temperature is 48°C and the pH is 1.5. Incorrect The temperature is 23°C and the pH is 4.5. Incorrect The temperature is 11°C and the pH is 2.6. Incorrect MC

a282_bf90

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 35–43 1.0 
B 60–75 7.0 
C 25–43 5.0 
D 15–25 3.0 

Under which one of the following conditions would enzyme B be most active?

The temperature is 72°C and the pH is 6.8. Correct The temperature is 52°C and the pH is 4.5. Incorrect The temperature is 81°C and the pH is 9.5. Incorrect The temperature is 66°C and the pH is 9.0. Incorrect The temperature is 70°C and the pH is 4.5. Incorrect MC

2a61_0d6c

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 65–83 3.0 
B 40–48 7.0 
C 50–62 1.0 
D 25–40 5.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 48°C and the pH is 3.0. Incorrect The temperature is 26°C and the pH is 6.5. Incorrect The temperature is 16°C and the pH is 7.0. Incorrect The temperature is 33°C and the pH is 4.8. Correct The temperature is 10°C and the pH is 4.6. Incorrect MC

ac7b_6441

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 15–25 10.0 
B 75–85 8.0 
C 30–42 5.0 
D 45–53 2.0 

Under which one of the following conditions would enzyme C be most active?

The temperature is 35°C and the pH is 4.8. Correct The temperature is 22°C and the pH is 6.5. Incorrect The temperature is 41°C and the pH is 7.5. Incorrect The temperature is 17°C and the pH is 2.5. Incorrect The temperature is 51°C and the pH is 3.5. Incorrect MC

2cb7_b604

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 20–28 8.0 
B 60–75 1.0 
C 35–47 10.0 
D 50–68 6.0 

Under which one of the following conditions would enzyme A be most active?

The temperature is 24°C and the pH is 9.5. Incorrect The temperature is 8°C and the pH is 6.0. Incorrect The temperature is 37°C and the pH is 10.0. Incorrect The temperature is 41°C and the pH is 8.2. Incorrect The temperature is 27°C and the pH is 8.0. Correct MC

3964_223c

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 60–72 5.0 
B 25–40 1.0 
C 75–85 10.0 
D 50–58 3.0 

Under which one of the following conditions would enzyme C be most active?

The temperature is 65°C and the pH is 7.5. Incorrect The temperature is 79°C and the pH is 7.5. Incorrect The temperature is 78°C and the pH is 9.8. Correct The temperature is 94°C and the pH is 8.5. Incorrect The temperature is 81°C and the pH is 11.5. Incorrect MC

8e91_15ce

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 35–45 6.0 
B 15–30 1.0 
C 70–85 9.0 
D 50–62 3.0 

Under which one of the following conditions would enzyme A be most active?

The temperature is 29°C and the pH is 6.2. Incorrect The temperature is 43°C and the pH is 4.0. Incorrect The temperature is 22°C and the pH is 4.5. Incorrect The temperature is 44°C and the pH is 6.2. Correct The temperature is 57°C and the pH is 5.8. Incorrect MC

dc01_b919

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 20–30 4.0 
B 75–85 9.0 
C 45–53 7.0 
D 60–75 2.0 

Under which one of the following conditions would enzyme C be most active?

The temperature is 59°C and the pH is 6.6. Incorrect The temperature is 46°C and the pH is 5.5. Incorrect The temperature is 61°C and the pH is 9.5. Incorrect The temperature is 38°C and the pH is 7.2. Incorrect The temperature is 51°C and the pH is 7.2. Correct MC

5d0e_abbe

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 35–47 1.0 
B 65–83 5.0 
C 20–28 7.0 
D 50–60 3.0 

Under which one of the following conditions would enzyme C be most active?

The temperature is 27°C and the pH is 9.5. Incorrect The temperature is 35°C and the pH is 9.0. Incorrect The temperature is 25°C and the pH is 7.4. Correct The temperature is 11°C and the pH is 7.0. Incorrect The temperature is 38°C and the pH is 7.4. Incorrect MC

9d44_0fd1

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 50–60 3.0 
B 65–77 9.0 
C 20–35 5.0 
D 40–58 7.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 28°C and the pH is 7.0. Incorrect The temperature is 51°C and the pH is 7.2. Correct The temperature is 65°C and the pH is 4.5. Incorrect The temperature is 33°C and the pH is 5.5. Incorrect The temperature is 31°C and the pH is 9.0. Incorrect MC

e765_e47c

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 55–70 8.0 
B 20–30 2.0 
C 45–57 6.0 
D 75–85 10.0 

Under which one of the following conditions would enzyme B be most active?

The temperature is 36°C and the pH is 3.5. Incorrect The temperature is 22°C and the pH is 3.5. Incorrect The temperature is 36°C and the pH is 2.0. Incorrect The temperature is 13°C and the pH is 0.5. Incorrect The temperature is 26°C and the pH is 2.2. Correct MC

282e_7ee3

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 50–68 1.0 
B 25–33 10.0 
C 40–50 6.0 
D 70–80 8.0 

Under which one of the following conditions would enzyme C be most active?

The temperature is 46°C and the pH is 3.5. Incorrect The temperature is 59°C and the pH is 4.5. Incorrect The temperature is 65°C and the pH is 6.4. Incorrect The temperature is 44°C and the pH is 5.6. Correct The temperature is 25°C and the pH is 4.0. Incorrect MC

372d_86c6

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 15–27 8.0 
B 60–75 3.0 
C 35–45 10.0 
D 50–68 5.0 

Under which one of the following conditions would enzyme A be most active?

The temperature is 20°C and the pH is 9.5. Incorrect The temperature is 5°C and the pH is 7.8. Incorrect The temperature is 16°C and the pH is 8.0. Correct The temperature is 1°C and the pH is 10.5. Incorrect The temperature is 41°C and the pH is 6.5. Incorrect MC

e53b_67e7

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 70–80 1.0 
B 15–30 5.0 
C 55–65 10.0 
D 45–63 8.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 62°C and the pH is 8.0. Correct The temperature is 33°C and the pH is 9.5. Incorrect The temperature is 58°C and the pH is 9.5. Incorrect The temperature is 38°C and the pH is 5.5. Incorrect The temperature is 72°C and the pH is 10.5. Incorrect MC

faa3_c593

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 60–68 3.0 
B 45–55 6.0 
C 20–30 10.0 
D 70–85 8.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 61°C and the pH is 6.0. Incorrect The temperature is 100°C and the pH is 10.5. Incorrect The temperature is 81°C and the pH is 8.2. Correct The temperature is 76°C and the pH is 9.5. Incorrect The temperature is 81°C and the pH is 5.5. Incorrect MC

441b_9180

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 60–70 4.0 
B 15–27 6.0 
C 35–53 10.0 
D 75–85 2.0 

Under which one of the following conditions would enzyme A be most active?

The temperature is 81°C and the pH is 6.5. Incorrect The temperature is 48°C and the pH is 4.4. Incorrect The temperature is 84°C and the pH is 4.2. Incorrect The temperature is 77°C and the pH is 2.0. Incorrect The temperature is 65°C and the pH is 3.8. Correct MC

4b3b_0742

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 25–43 5.0 
B 15–25 8.0 
C 70–85 10.0 
D 50–58 2.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 67°C and the pH is 1.6. Incorrect The temperature is 54°C and the pH is 1.6. Correct The temperature is 42°C and the pH is 1.8. Incorrect The temperature is 70°C and the pH is 0.5. Incorrect The temperature is 42°C and the pH is 0.5. Incorrect MC

3a19_1c1c

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 50–58 4.0 
B 20–38 9.0 
C 75–85 2.0 
D 40–52 7.0 

Under which one of the following conditions would enzyme A be most active?

The temperature is 72°C and the pH is 3.6. Incorrect The temperature is 55°C and the pH is 5.5. Incorrect The temperature is 57°C and the pH is 4.4. Correct The temperature is 55°C and the pH is 2.5. Incorrect The temperature is 36°C and the pH is 6.0. Incorrect MC

524e_8594

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 40–55 8.0 
B 65–77 4.0 
C 30–40 1.0 
D 20–38 6.0 

Under which one of the following conditions would enzyme C be most active?

The temperature is 15°C and the pH is 0.6. Incorrect The temperature is 49°C and the pH is 1.2. Incorrect The temperature is 31°C and the pH is 2.5. Incorrect The temperature is 18°C and the pH is 0.5. Incorrect The temperature is 36°C and the pH is 1.4. Correct MC

9bc3_2943

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 25–40 7.0 
B 65–83 3.0 
C 45–55 5.0 
D 15–23 1.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 35°C and the pH is 3.0. Incorrect The temperature is 0°C and the pH is 1.0. Incorrect The temperature is 18°C and the pH is 0.8. Correct The temperature is 31°C and the pH is 0.8. Incorrect The temperature is 33°C and the pH is 0.5. Incorrect MC

51f3_814d

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 25–35 7.0 
B 70–85 3.0 
C 60–78 9.0 
D 45–55 1.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 53°C and the pH is 1.4. Correct The temperature is 62°C and the pH is 1.0. Incorrect The temperature is 31°C and the pH is 3.0. Incorrect The temperature is 38°C and the pH is 0.5. Incorrect The temperature is 48°C and the pH is 3.0. Incorrect MC

2476_9967

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 25–43 1.0 
B 70–82 3.0 
C 45–60 10.0 
D 15–23 8.0 

Under which one of the following conditions would enzyme C be most active?

The temperature is 56°C and the pH is 7.5. Incorrect The temperature is 75°C and the pH is 8.5. Incorrect The temperature is 49°C and the pH is 10.2. Correct The temperature is 68°C and the pH is 12.5. Incorrect The temperature is 33°C and the pH is 12.5. Incorrect MC

846a_1d33

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 30–40 4.0 
B 75–83 8.0 
C 15–30 2.0 
D 60–70 10.0 

Under which one of the following conditions would enzyme B be most active?

The temperature is 66°C and the pH is 6.5. Incorrect The temperature is 93°C and the pH is 8.4. Incorrect The temperature is 67°C and the pH is 10.0. Incorrect The temperature is 78°C and the pH is 8.2. Correct The temperature is 78°C and the pH is 6.0. Incorrect MC

b24e_a372

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 15–23 8.0 
B 40–50 10.0 
C 25–35 2.0 
D 60–78 4.0 

Under which one of the following conditions would enzyme C be most active?

The temperature is 48°C and the pH is 2.4. Incorrect The temperature is 28°C and the pH is 0.5. Incorrect The temperature is 28°C and the pH is 1.8. Correct The temperature is 33°C and the pH is 3.5. Incorrect The temperature is 45°C and the pH is 4.5. Incorrect MC

3288_4ce5

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 50–58 5.0 
B 25–37 10.0 
C 15–25 8.0 
D 70–85 2.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 94°C and the pH is 0.5. Incorrect The temperature is 71°C and the pH is 0.5. Incorrect The temperature is 57°C and the pH is 1.8. Incorrect The temperature is 76°C and the pH is 2.4. Correct The temperature is 99°C and the pH is 4.0. Incorrect MC

4c61_731c

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 40–52 4.0 
B 60–70 10.0 
C 20–35 7.0 
D 75–85 2.0 

Under which one of the following conditions would enzyme C be most active?

The temperature is 23°C and the pH is 7.4. Correct The temperature is 14°C and the pH is 5.0. Incorrect The temperature is 26°C and the pH is 8.5. Incorrect The temperature is 5°C and the pH is 8.5. Incorrect The temperature is 22°C and the pH is 5.0. Incorrect MC

2fdd_2a27

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 35–43 1.0 
B 65–75 7.0 
C 25–40 3.0 
D 45–57 9.0 

Under which one of the following conditions would enzyme B be most active?

The temperature is 84°C and the pH is 5.0. Incorrect The temperature is 59°C and the pH is 5.5. Incorrect The temperature is 83°C and the pH is 7.0. Incorrect The temperature is 74°C and the pH is 7.2. Correct The temperature is 57°C and the pH is 9.5. Incorrect MC

9f0b_5a55

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 30–48 6.0 
B 65–75 8.0 
C 20–32 3.0 
D 50–58 1.0 

Under which one of the following conditions would enzyme B be most active?

The temperature is 74°C and the pH is 7.8. Correct The temperature is 55°C and the pH is 5.5. Incorrect The temperature is 50°C and the pH is 10.5. Incorrect The temperature is 81°C and the pH is 10.0. Incorrect The temperature is 84°C and the pH is 8.4. Incorrect MC

4029_9f8e

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 40–58 10.0 
B 60–72 5.0 
C 75–85 3.0 
D 15–30 1.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 45°C and the pH is 2.5. Incorrect The temperature is 24°C and the pH is 0.5. Incorrect The temperature is 39°C and the pH is 0.5. Incorrect The temperature is 1°C and the pH is 2.5. Incorrect The temperature is 25°C and the pH is 1.0. Correct MC

0d11_da66

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 45–63 5.0 
B 25–35 9.0 
C 15–27 1.0 
D 75–85 7.0 

Under which one of the following conditions would enzyme C be most active?

The temperature is 25°C and the pH is 3.0. Incorrect The temperature is 20°C and the pH is 0.5. Incorrect The temperature is 40°C and the pH is 3.0. Incorrect The temperature is 41°C and the pH is 1.0. Incorrect The temperature is 26°C and the pH is 1.2. Correct MC

ae54_5055

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 65–80 7.0 
B 20–30 1.0 
C 55–65 9.0 
D 45–53 3.0 

Under which one of the following conditions would enzyme B be most active?

The temperature is 27°C and the pH is 0.5. Incorrect The temperature is 10°C and the pH is 2.5. Incorrect The temperature is 8°C and the pH is 0.5. Incorrect The temperature is 28°C and the pH is 3.5. Incorrect The temperature is 27°C and the pH is 1.0. Correct MC

92c2_3ab5

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 55–63 9.0 
B 20–38 2.0 
C 45–55 7.0 
D 65–80 4.0 

Under which one of the following conditions would enzyme A be most active?

The temperature is 73°C and the pH is 9.2. Incorrect The temperature is 58°C and the pH is 8.6. Correct The temperature is 78°C and the pH is 11.5. Incorrect The temperature is 56°C and the pH is 7.5. Incorrect The temperature is 72°C and the pH is 6.5. Incorrect MC

10bc_73fd

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 65–77 9.0 
B 40–50 5.0 
C 30–40 3.0 
D 20–38 1.0 

Under which one of the following conditions would enzyme B be most active?

The temperature is 28°C and the pH is 4.8. Incorrect The temperature is 64°C and the pH is 4.8. Incorrect The temperature is 60°C and the pH is 3.0. Incorrect The temperature is 49°C and the pH is 4.8. Correct The temperature is 31°C and the pH is 7.5. Incorrect MC

dd43_848c

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 75–85 10.0 
B 65–77 4.0 
C 30–45 6.0 
D 15–25 8.0 

Under which one of the following conditions would enzyme A be most active?

The temperature is 81°C and the pH is 10.0. Correct The temperature is 80°C and the pH is 7.5. Incorrect The temperature is 93°C and the pH is 8.5. Incorrect The temperature is 67°C and the pH is 10.2. Incorrect The temperature is 78°C and the pH is 12.5. Incorrect MC

7db0_054c

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 65–83 1.0 
B 50–62 9.0 
C 40–50 3.0 
D 25–40 7.0 

Under which one of the following conditions would enzyme C be most active?

The temperature is 46°C and the pH is 2.6. Correct The temperature is 27°C and the pH is 3.2. Incorrect The temperature is 25°C and the pH is 5.5. Incorrect The temperature is 46°C and the pH is 5.5. Incorrect The temperature is 64°C and the pH is 4.5. Incorrect MC

5af4_4b8c

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 20–38 5.0 
B 60–70 2.0 
C 40–52 10.0 
D 75–85 8.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 79°C and the pH is 10.5. Incorrect The temperature is 78°C and the pH is 8.2. Correct The temperature is 68°C and the pH is 10.5. Incorrect The temperature is 67°C and the pH is 7.8. Incorrect The temperature is 69°C and the pH is 6.5. Incorrect MC

4dc4_e1be

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 40–50 9.0 
B 30–42 7.0 
C 65–75 5.0 
D 20–38 1.0 

Under which one of the following conditions would enzyme A be most active?

The temperature is 59°C and the pH is 7.5. Incorrect The temperature is 49°C and the pH is 10.5. Incorrect The temperature is 47°C and the pH is 8.6. Correct The temperature is 30°C and the pH is 10.5. Incorrect The temperature is 57°C and the pH is 11.0. Incorrect MC

02fe_b575

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 60–75 4.0 
B 40–50 6.0 
C 30–48 9.0 
D 20–28 1.0 

Under which one of the following conditions would enzyme A be most active?

The temperature is 48°C and the pH is 6.0. Incorrect The temperature is 70°C and the pH is 3.8. Correct The temperature is 85°C and the pH is 2.5. Incorrect The temperature is 67°C and the pH is 2.0. Incorrect The temperature is 51°C and the pH is 2.5. Incorrect MC

e72b_2c5f

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 75–85 2.0 
B 20–30 9.0 
C 50–62 7.0 
D 35–53 4.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 28°C and the pH is 2.5. Incorrect The temperature is 51°C and the pH is 6.0. Incorrect The temperature is 26°C and the pH is 3.8. Incorrect The temperature is 44°C and the pH is 4.0. Correct The temperature is 65°C and the pH is 5.5. Incorrect MC

c360_4b32

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 40–52 1.0 
B 30–48 3.0 
C 55–65 10.0 
D 75–85 8.0 

Under which one of the following conditions would enzyme B be most active?

The temperature is 57°C and the pH is 2.8. Incorrect The temperature is 63°C and the pH is 5.5. Incorrect The temperature is 31°C and the pH is 1.0. Incorrect The temperature is 35°C and the pH is 4.5. Incorrect The temperature is 44°C and the pH is 3.2. Correct MC

9655_5fd2

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 60–75 3.0 
B 30–40 9.0 
C 15–27 1.0 
D 50–68 7.0 

Under which one of the following conditions would enzyme C be most active?

The temperature is 26°C and the pH is 1.0. Correct The temperature is 36°C and the pH is 2.5. Incorrect The temperature is 1°C and the pH is 1.2. Incorrect The temperature is 42°C and the pH is 1.2. Incorrect The temperature is 42°C and the pH is 0.5. Incorrect MC

7d0e_86f4

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 45–57 2.0 
B 30–45 9.0 
C 65–75 6.0 
D 15–23 4.0 

Under which one of the following conditions would enzyme B be most active?

The temperature is 35°C and the pH is 7.0. Incorrect The temperature is 18°C and the pH is 7.5. Incorrect The temperature is 56°C and the pH is 9.2. Incorrect The temperature is 23°C and the pH is 9.2. Incorrect The temperature is 36°C and the pH is 9.4. Correct MC

cfb7_cb14

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 35–53 5.0 
B 70–85 3.0 
C 60–72 8.0 
D 20–30 10.0 

Under which one of the following conditions would enzyme B be most active?

The temperature is 63°C and the pH is 0.5. Incorrect The temperature is 84°C and the pH is 3.2. Correct The temperature is 95°C and the pH is 1.0. Incorrect The temperature is 55°C and the pH is 4.5. Incorrect The temperature is 56°C and the pH is 3.0. Incorrect MC

34e5_29f5

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 60–78 3.0 
B 25–35 9.0 
C 50–65 1.0 
D 15–23 6.0 

Under which one of the following conditions would enzyme C be most active?

The temperature is 44°C and the pH is 0.5. Incorrect The temperature is 53°C and the pH is 1.2. Correct The temperature is 75°C and the pH is 2.5. Incorrect The temperature is 60°C and the pH is 3.5. Incorrect The temperature is 43°C and the pH is 3.0. Incorrect MC

c092_f656

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 75–85 3.0 
B 15–30 6.0 
C 40–48 10.0 
D 60–78 8.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 51°C and the pH is 10.0. Incorrect The temperature is 62°C and the pH is 7.6. Correct The temperature is 88°C and the pH is 10.5. Incorrect The temperature is 45°C and the pH is 6.5. Incorrect The temperature is 53°C and the pH is 8.4. Incorrect MC

a3e5_4391

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 60–78 5.0 
B 35–45 10.0 
C 25–40 7.0 
D 15–27 3.0 

Under which one of the following conditions would enzyme B be most active?

The temperature is 25°C and the pH is 12.5. Incorrect The temperature is 21°C and the pH is 8.0. Incorrect The temperature is 54°C and the pH is 12.5. Incorrect The temperature is 38°C and the pH is 10.4. Correct The temperature is 52°C and the pH is 8.0. Incorrect MC

f4e3_1f1e

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 65–77 10.0 
B 20–30 6.0 
C 45–53 3.0 
D 55–65 8.0 

Under which one of the following conditions would enzyme C be most active?

The temperature is 52°C and the pH is 3.4. Correct The temperature is 64°C and the pH is 4.5. Incorrect The temperature is 35°C and the pH is 1.5. Incorrect The temperature is 67°C and the pH is 3.4. Incorrect The temperature is 49°C and the pH is 4.5. Incorrect MC

107e_0b7b

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 60–70 2.0 
B 15–27 4.0 
C 35–53 10.0 
D 75–85 7.0 

Under which one of the following conditions would enzyme A be most active?

The temperature is 64°C and the pH is 2.2. Correct The temperature is 46°C and the pH is 2.4. Incorrect The temperature is 77°C and the pH is 1.8. Incorrect The temperature is 79°C and the pH is 0.5. Incorrect The temperature is 61°C and the pH is 4.5. Incorrect MC

1145_4368

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 25–43 1.0 
B 65–73 10.0 
C 45–55 6.0 
D 75–85 8.0 

Under which one of the following conditions would enzyme C be most active?

The temperature is 39°C and the pH is 8.5. Incorrect The temperature is 54°C and the pH is 3.5. Incorrect The temperature is 46°C and the pH is 6.0. Correct The temperature is 64°C and the pH is 7.5. Incorrect The temperature is 65°C and the pH is 4.5. Incorrect MC

6770_2def

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 40–55 2.0 
B 30–42 5.0 
C 70–85 9.0 
D 15–25 7.0 

Under which one of the following conditions would enzyme B be most active?

The temperature is 40°C and the pH is 3.5. Incorrect The temperature is 39°C and the pH is 4.6. Correct The temperature is 52°C and the pH is 5.0. Incorrect The temperature is 51°C and the pH is 3.0. Incorrect The temperature is 24°C and the pH is 5.4. Incorrect MC

1d30_a794

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 65–83 4.0 
B 30–40 6.0 
C 50–65 1.0 
D 15–25 10.0 

Under which one of the following conditions would enzyme A be most active?

The temperature is 71°C and the pH is 3.6. Correct The temperature is 77°C and the pH is 1.5. Incorrect The temperature is 50°C and the pH is 4.2. Incorrect The temperature is 52°C and the pH is 2.0. Incorrect The temperature is 79°C and the pH is 6.5. Incorrect MC

0e35_a78d

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 35–53 8.0 
B 15–25 3.0 
C 65–80 1.0 
D 55–63 10.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 56°C and the pH is 8.5. Incorrect The temperature is 73°C and the pH is 12.5. Incorrect The temperature is 75°C and the pH is 9.6. Incorrect The temperature is 58°C and the pH is 10.0. Correct The temperature is 56°C and the pH is 12.5. Incorrect MC

fae5_f7b6

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 65–80 8.0 
B 20–30 4.0 
C 45–55 6.0 
D 35–53 10.0 

Under which one of the following conditions would enzyme B be most active?

The temperature is 29°C and the pH is 2.0. Incorrect The temperature is 25°C and the pH is 6.5. Incorrect The temperature is 25°C and the pH is 3.6. Correct The temperature is 8°C and the pH is 6.0. Incorrect The temperature is 37°C and the pH is 6.0. Incorrect MC

4d9d_613b

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 25–35 4.0 
B 70–78 1.0 
C 40–55 7.0 
D 15–25 10.0 

Under which one of the following conditions would enzyme C be most active?

The temperature is 25°C and the pH is 4.5. Incorrect The temperature is 44°C and the pH is 7.0. Correct The temperature is 33°C and the pH is 6.6. Incorrect The temperature is 64°C and the pH is 7.0. Incorrect The temperature is 27°C and the pH is 8.5. Incorrect MC

2c12_b2a0

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 45–60 4.0 
B 70–82 8.0 
C 25–35 1.0 
D 15–23 6.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 34°C and the pH is 8.0. Incorrect The temperature is 6°C and the pH is 8.5. Incorrect The temperature is 31°C and the pH is 6.0. Incorrect The temperature is 21°C and the pH is 4.5. Incorrect The temperature is 18°C and the pH is 6.2. Correct MC

644b_1b16

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 25–33 2.0 
B 60–78 8.0 
C 45–55 10.0 
D 15–30 6.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 7°C and the pH is 5.6. Incorrect The temperature is 4°C and the pH is 7.5. Incorrect The temperature is 16°C and the pH is 6.0. Correct The temperature is 41°C and the pH is 8.5. Incorrect The temperature is 8°C and the pH is 4.5. Incorrect MC

7746_8ed7

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 35–45 7.0 
B 75–85 9.0 
C 60–78 1.0 
D 50–65 3.0 

Under which one of the following conditions would enzyme C be most active?

The temperature is 47°C and the pH is 3.5. Incorrect The temperature is 90°C and the pH is 0.5. Incorrect The temperature is 76°C and the pH is 1.2. Correct The temperature is 74°C and the pH is 2.5. Incorrect The temperature is 93°C and the pH is 0.6. Incorrect MC

dfcb_0f90

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 45–55 3.0 
B 65–80 1.0 
C 25–37 5.0 
D 15–33 8.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 39°C and the pH is 9.5. Incorrect The temperature is 44°C and the pH is 6.0. Incorrect The temperature is 9°C and the pH is 6.5. Incorrect The temperature is 31°C and the pH is 8.4. Correct The temperature is 23°C and the pH is 5.5. Incorrect MC

13c7_f2e3

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 60–72 3.0 
B 40–58 10.0 
C 20–30 8.0 
D 75–85 5.0 

Under which one of the following conditions would enzyme B be most active?

The temperature is 34°C and the pH is 7.5. Incorrect The temperature is 73°C and the pH is 11.5. Incorrect The temperature is 51°C and the pH is 10.4. Correct The temperature is 51°C and the pH is 12.5. Incorrect The temperature is 71°C and the pH is 10.0. Incorrect MC

10fc_cfc3

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 65–73 4.0 
B 25–35 9.0 
C 40–50 6.0 
D 55–73 1.0 

Under which one of the following conditions would enzyme B be most active?

The temperature is 26°C and the pH is 9.2. Correct The temperature is 32°C and the pH is 6.5. Incorrect The temperature is 43°C and the pH is 10.5. Incorrect The temperature is 43°C and the pH is 7.0. Incorrect The temperature is 15°C and the pH is 9.0. Incorrect MC

e9c8_2c03

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 15–33 6.0 
B 50–65 1.0 
C 75–85 10.0 
D 40–52 8.0 

Under which one of the following conditions would enzyme C be most active?

The temperature is 83°C and the pH is 8.5. Incorrect The temperature is 100°C and the pH is 10.4. Incorrect The temperature is 82°C and the pH is 9.8. Correct The temperature is 67°C and the pH is 8.0. Incorrect The temperature is 97°C and the pH is 12.5. Incorrect MC

1828_00a8

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 50–65 7.0 
B 75–83 4.0 
C 20–30 2.0 
D 35–47 9.0 

Under which one of the following conditions would enzyme C be most active?

The temperature is 38°C and the pH is 4.5. Incorrect The temperature is 21°C and the pH is 1.6. Correct The temperature is 27°C and the pH is 4.5. Incorrect The temperature is 9°C and the pH is 1.6. Incorrect The temperature is 5°C and the pH is 3.5. Incorrect MC

fb09_dc82

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 75–85 4.0 
B 50–58 8.0 
C 40–50 1.0 
D 15–25 6.0 

Under which one of the following conditions would enzyme C be most active?

The temperature is 27°C and the pH is 1.2. Incorrect The temperature is 42°C and the pH is 0.6. Correct The temperature is 56°C and the pH is 0.8. Incorrect The temperature is 56°C and the pH is 3.5. Incorrect The temperature is 42°C and the pH is 0.5. Incorrect MC

6e05_57a6

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 15–25 8.0 
B 55–63 5.0 
C 30–48 1.0 
D 70–85 3.0 

Under which one of the following conditions would enzyme A be most active?

The temperature is 1°C and the pH is 10.0. Incorrect The temperature is 19°C and the pH is 8.2. Correct The temperature is 35°C and the pH is 10.5. Incorrect The temperature is 35°C and the pH is 6.0. Incorrect The temperature is 21°C and the pH is 10.0. Incorrect MC

af2e_573a

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 45–53 2.0 
B 65–75 8.0 
C 35–45 10.0 
D 55–67 6.0 

Under which one of the following conditions would enzyme A be most active?

The temperature is 33°C and the pH is 2.2. Incorrect The temperature is 59°C and the pH is 0.5. Incorrect The temperature is 38°C and the pH is 0.5. Incorrect The temperature is 46°C and the pH is 2.2. Correct The temperature is 46°C and the pH is 0.5. Incorrect MC

4d96_7bc7

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 65–73 1.0 
B 30–45 10.0 
C 20–38 8.0 
D 55–65 5.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 44°C and the pH is 3.0. Incorrect The temperature is 41°C and the pH is 4.8. Incorrect The temperature is 40°C and the pH is 7.0. Incorrect The temperature is 78°C and the pH is 2.5. Incorrect The temperature is 62°C and the pH is 5.4. Correct MC

37bd_196a

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 55–73 3.0 
B 75–85 5.0 
C 15–23 8.0 
D 30–40 1.0 

Under which one of the following conditions would enzyme B be most active?

The temperature is 64°C and the pH is 3.5. Incorrect The temperature is 76°C and the pH is 3.0. Incorrect The temperature is 66°C and the pH is 5.0. Incorrect The temperature is 80°C and the pH is 4.6. Correct The temperature is 94°C and the pH is 3.5. Incorrect MC

4d28_05c9

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 30–40 1.0 
B 15–30 8.0 
C 50–62 5.0 
D 70–80 3.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 75°C and the pH is 5.5. Incorrect The temperature is 59°C and the pH is 3.0. Incorrect The temperature is 79°C and the pH is 3.0. Correct The temperature is 63°C and the pH is 4.5. Incorrect The temperature is 72°C and the pH is 1.5. Incorrect MC

d60d_0a74

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 55–73 5.0 
B 45–60 10.0 
C 15–27 2.0 
D 35–43 8.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 22°C and the pH is 10.0. Incorrect The temperature is 52°C and the pH is 10.0. Incorrect The temperature is 22°C and the pH is 6.5. Incorrect The temperature is 40°C and the pH is 8.2. Correct The temperature is 23°C and the pH is 7.6. Incorrect MC

56f2_5aa2

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 50–65 6.0 
B 35–53 10.0 
C 70–80 1.0 
D 25–37 4.0 

Under which one of the following conditions would enzyme C be most active?

The temperature is 90°C and the pH is 0.5. Incorrect The temperature is 71°C and the pH is 3.0. Incorrect The temperature is 71°C and the pH is 1.4. Correct The temperature is 90°C and the pH is 3.0. Incorrect The temperature is 90°C and the pH is 1.0. Incorrect MC

4c23_2a7e

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 50–60 1.0 
B 30–38 5.0 
C 75–85 3.0 
D 20–38 8.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 11°C and the pH is 9.5. Incorrect The temperature is 35°C and the pH is 7.6. Correct The temperature is 33°C and the pH is 5.5. Incorrect The temperature is 51°C and the pH is 10.5. Incorrect The temperature is 50°C and the pH is 5.5. Incorrect MC

1f31_a892

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 20–35 6.0 
B 50–60 3.0 
C 40–48 10.0 
D 65–83 1.0 

Under which one of the following conditions would enzyme B be most active?

The temperature is 68°C and the pH is 4.5. Incorrect The temperature is 73°C and the pH is 0.5. Incorrect The temperature is 54°C and the pH is 5.0. Incorrect The temperature is 38°C and the pH is 3.2. Incorrect The temperature is 53°C and the pH is 2.8. Correct MC

edd4_7811

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 25–43 9.0 
B 60–72 2.0 
C 15–23 5.0 
D 45–55 7.0 

Under which one of the following conditions would enzyme B be most active?

The temperature is 67°C and the pH is 0.5. Incorrect The temperature is 46°C and the pH is 1.6. Incorrect The temperature is 78°C and the pH is 2.4. Incorrect The temperature is 85°C and the pH is 4.0. Incorrect The temperature is 62°C and the pH is 2.2. Correct MC

e80a_2bd7

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 20–30 9.0 
B 35–53 5.0 
C 70–85 2.0 
D 55–63 7.0 

Under which one of the following conditions would enzyme B be most active?

The temperature is 61°C and the pH is 2.5. Incorrect The temperature is 43°C and the pH is 2.5. Incorrect The temperature is 63°C and the pH is 4.6. Incorrect The temperature is 48°C and the pH is 7.5. Incorrect The temperature is 41°C and the pH is 5.0. Correct MC

bfb5_b98f

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 40–55 3.0 
B 65–77 8.0 
C 30–40 6.0 
D 15–23 1.0 

Under which one of the following conditions would enzyme C be most active?

The temperature is 36°C and the pH is 7.5. Incorrect The temperature is 48°C and the pH is 4.5. Incorrect The temperature is 18°C and the pH is 6.2. Incorrect The temperature is 51°C and the pH is 8.5. Incorrect The temperature is 36°C and the pH is 5.8. Correct MC

7a91_d7a4

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 50–68 3.0 
B 75–85 9.0 
C 15–25 1.0 
D 35–45 5.0 

Under which one of the following conditions would enzyme B be most active?

The temperature is 91°C and the pH is 6.5. Incorrect The temperature is 66°C and the pH is 9.4. Incorrect The temperature is 78°C and the pH is 9.4. Correct The temperature is 66°C and the pH is 6.5. Incorrect The temperature is 78°C and the pH is 6.5. Incorrect MC

fc5b_4565

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 50–68 5.0 
B 75–85 8.0 
C 20–30 2.0 
D 35–43 10.0 

Under which one of the following conditions would enzyme A be most active?

The temperature is 65°C and the pH is 3.0. Incorrect The temperature is 55°C and the pH is 4.6. Correct The temperature is 79°C and the pH is 4.8. Incorrect The temperature is 65°C and the pH is 7.0. Incorrect The temperature is 78°C and the pH is 3.5. Incorrect MC

c233_4ba2

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 55–65 3.0 
B 15–30 1.0 
C 70–78 7.0 
D 45–55 9.0 

Under which one of the following conditions would enzyme C be most active?

The temperature is 84°C and the pH is 6.8. Incorrect The temperature is 58°C and the pH is 9.5. Incorrect The temperature is 58°C and the pH is 5.0. Incorrect The temperature is 75°C and the pH is 5.0. Incorrect The temperature is 75°C and the pH is 7.2. Correct MC

ef25_89de

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 35–47 5.0 
B 65–73 10.0 
C 20–38 3.0 
D 55–70 8.0 

Under which one of the following conditions would enzyme C be most active?

The temperature is 47°C and the pH is 5.5. Incorrect The temperature is 30°C and the pH is 3.0. Correct The temperature is 49°C and the pH is 2.8. Incorrect The temperature is 14°C and the pH is 3.4. Incorrect The temperature is 10°C and the pH is 5.0. Incorrect MC

bc30_7f53

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 30–38 5.0 
B 15–27 3.0 
C 70–85 8.0 
D 50–60 10.0 

Under which one of the following conditions would enzyme B be most active?

The temperature is 24°C and the pH is 3.0. Correct The temperature is 38°C and the pH is 0.5. Incorrect The temperature is 22°C and the pH is 5.5. Incorrect The temperature is 20°C and the pH is 0.5. Incorrect The temperature is 38°C and the pH is 5.0. Incorrect MC

8a2d_770f

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 20–32 3.0 
B 50–58 5.0 
C 70–80 7.0 
D 60–75 10.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 69°C and the pH is 12.5. Incorrect The temperature is 61°C and the pH is 9.8. Correct The temperature is 61°C and the pH is 7.5. Incorrect The temperature is 88°C and the pH is 11.5. Incorrect The temperature is 47°C and the pH is 10.4. Incorrect MC

54ab_cd75

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 50–60 3.0 
B 70–78 5.0 
C 25–35 1.0 
D 40–52 9.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 27°C and the pH is 11.5. Incorrect The temperature is 41°C and the pH is 11.5. Incorrect The temperature is 43°C and the pH is 7.0. Incorrect The temperature is 58°C and the pH is 9.2. Incorrect The temperature is 46°C and the pH is 9.2. Correct MC

83a2_9f12

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 15–25 7.0 
B 30–38 4.0 
C 45–60 10.0 
D 65–75 1.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 55°C and the pH is 0.5. Incorrect The temperature is 53°C and the pH is 3.5. Incorrect The temperature is 53°C and the pH is 0.8. Incorrect The temperature is 67°C and the pH is 1.2. Correct The temperature is 88°C and the pH is 0.5. Incorrect MC

9ccd_b577

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 25–35 5.0 
B 40–55 3.0 
C 70–85 9.0 
D 15–27 1.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 18°C and the pH is 1.4. Correct The temperature is 9°C and the pH is 0.5. Incorrect The temperature is 9°C and the pH is 3.5. Incorrect The temperature is 35°C and the pH is 0.8. Incorrect The temperature is 36°C and the pH is 0.5. Incorrect MC

ae17_d730

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 50–60 9.0 
B 20–38 2.0 
C 70–78 6.0 
D 40–55 4.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 26°C and the pH is 2.0. Incorrect The temperature is 29°C and the pH is 4.0. Incorrect The temperature is 34°C and the pH is 6.5. Incorrect The temperature is 50°C and the pH is 4.4. Correct The temperature is 43°C and the pH is 5.5. Incorrect MC

d3ae_d7fd

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 15–33 3.0 
B 35–50 1.0 
C 65–73 8.0 
D 55–65 10.0 

Under which one of the following conditions would enzyme A be most active?

The temperature is 7°C and the pH is 5.0. Incorrect The temperature is 22°C and the pH is 5.0. Incorrect The temperature is 43°C and the pH is 1.5. Incorrect The temperature is 44°C and the pH is 4.5. Incorrect The temperature is 26°C and the pH is 3.0. Correct MC

ddbb_8454

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 20–32 2.0 
B 75–85 7.0 
C 50–65 4.0 
D 35–45 10.0 

Under which one of the following conditions would enzyme A be most active?

The temperature is 12°C and the pH is 4.0. Incorrect The temperature is 13°C and the pH is 1.8. Incorrect The temperature is 25°C and the pH is 0.5. Incorrect The temperature is 12°C and the pH is 0.5. Incorrect The temperature is 23°C and the pH is 1.6. Correct MC

5246_f7cc

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 65–75 9.0 
B 30–38 2.0 
C 55–65 7.0 
D 15–27 5.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 16°C and the pH is 5.2. Correct The temperature is 36°C and the pH is 2.5. Incorrect The temperature is 24°C and the pH is 6.5. Incorrect The temperature is 0°C and the pH is 5.0. Incorrect The temperature is 34°C and the pH is 5.2. Incorrect MC

40f9_d00c

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 30–42 4.0 
B 45–60 1.0 
C 70–78 8.0 
D 20–30 6.0 

Under which one of the following conditions would enzyme B be most active?

The temperature is 49°C and the pH is 0.5. Incorrect The temperature is 34°C and the pH is 3.0. Incorrect The temperature is 50°C and the pH is 1.4. Correct The temperature is 66°C and the pH is 0.5. Incorrect The temperature is 39°C and the pH is 0.8. Incorrect MC

591d_dc1a

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 65–75 4.0 
B 55–73 7.0 
C 35–50 9.0 
D 15–23 2.0 

Under which one of the following conditions would enzyme A be most active?

The temperature is 89°C and the pH is 2.5. Incorrect The temperature is 67°C and the pH is 6.5. Incorrect The temperature is 67°C and the pH is 4.4. Correct The temperature is 83°C and the pH is 3.8. Incorrect The temperature is 50°C and the pH is 6.5. Incorrect MC

7559_4ed3

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 45–60 5.0 
B 65–73 3.0 
C 20–38 8.0 
D 75–85 1.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 79°C and the pH is 0.6. Correct The temperature is 66°C and the pH is 3.0. Incorrect The temperature is 80°C and the pH is 0.5. Incorrect The temperature is 99°C and the pH is 3.5. Incorrect The temperature is 61°C and the pH is 0.5. Incorrect MC

3c08_ec3e

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 55–70 6.0 
B 75–85 2.0 
C 30–38 10.0 
D 45–55 4.0 

Under which one of the following conditions would enzyme B be most active?

The temperature is 95°C and the pH is 0.5. Incorrect The temperature is 60°C and the pH is 2.0. Incorrect The temperature is 83°C and the pH is 0.5. Incorrect The temperature is 76°C and the pH is 2.0. Correct The temperature is 93°C and the pH is 1.8. Incorrect MC

eb48_8254

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 55–67 3.0 
B 70–78 9.0 
C 35–45 5.0 
D 15–30 1.0 

Under which one of the following conditions would enzyme B be most active?

The temperature is 56°C and the pH is 11.0. Incorrect The temperature is 73°C and the pH is 7.0. Incorrect The temperature is 90°C and the pH is 9.0. Incorrect The temperature is 56°C and the pH is 9.0. Incorrect The temperature is 75°C and the pH is 9.0. Correct MC

1046_1725

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 60–68 3.0 
B 20–30 6.0 
C 40–55 8.0 
D 75–85 10.0 

Under which one of the following conditions would enzyme A be most active?

The temperature is 63°C and the pH is 0.5. Incorrect The temperature is 64°C and the pH is 3.4. Correct The temperature is 81°C and the pH is 1.5. Incorrect The temperature is 65°C and the pH is 5.0. Incorrect The temperature is 78°C and the pH is 2.8. Incorrect MC

e644_c1e8

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 60–70 8.0 
B 30–40 5.0 
C 50–62 1.0 
D 20–38 3.0 

Under which one of the following conditions would enzyme C be most active?

The temperature is 69°C and the pH is 2.5. Incorrect The temperature is 54°C and the pH is 2.5. Incorrect The temperature is 58°C and the pH is 1.4. Correct The temperature is 35°C and the pH is 0.5. Incorrect The temperature is 54°C and the pH is 0.5. Incorrect MC

95ea_b291

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 55–67 6.0 
B 30–38 10.0 
C 75–85 4.0 
D 15–33 1.0 

Under which one of the following conditions would enzyme A be most active?

The temperature is 77°C and the pH is 3.5. Incorrect The temperature is 60°C and the pH is 5.8. Correct The temperature is 41°C and the pH is 4.5. Incorrect The temperature is 61°C and the pH is 7.5. Incorrect The temperature is 82°C and the pH is 8.5. Incorrect MC

ebb2_4a07

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 75–83 3.0 
B 35–45 9.0 
C 25–37 5.0 
D 55–73 7.0 

Under which one of the following conditions would enzyme A be most active?

The temperature is 78°C and the pH is 3.4. Correct The temperature is 64°C and the pH is 2.6. Incorrect The temperature is 64°C and the pH is 5.5. Incorrect The temperature is 98°C and the pH is 2.6. Incorrect The temperature is 94°C and the pH is 1.5. Incorrect MC

46f5_f065

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 15–27 2.0 
B 40–48 5.0 
C 65–75 7.0 
D 50–68 9.0 

Under which one of the following conditions would enzyme B be most active?

The temperature is 34°C and the pH is 5.4. Incorrect The temperature is 41°C and the pH is 6.5. Incorrect The temperature is 28°C and the pH is 3.5. Incorrect The temperature is 46°C and the pH is 4.6. Correct The temperature is 47°C and the pH is 3.5. Incorrect MC

f9d6_1385

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 75–85 2.0 
B 30–40 10.0 
C 15–33 5.0 
D 60–68 7.0 

Under which one of the following conditions would enzyme A be most active?

The temperature is 79°C and the pH is 3.5. Incorrect The temperature is 63°C and the pH is 4.0. Incorrect The temperature is 80°C and the pH is 1.8. Correct The temperature is 91°C and the pH is 1.6. Incorrect The temperature is 67°C and the pH is 0.5. Incorrect MC

3b48_48d1

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 45–63 7.0 
B 25–40 4.0 
C 75–83 9.0 
D 65–75 2.0 

Under which one of the following conditions would enzyme C be most active?

The temperature is 67°C and the pH is 7.0. Incorrect The temperature is 78°C and the pH is 9.0. Correct The temperature is 90°C and the pH is 7.5. Incorrect The temperature is 79°C and the pH is 11.5. Incorrect The temperature is 97°C and the pH is 10.5. Incorrect MC

dc2d_6167

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 30–40 6.0 
B 60–68 8.0 
C 20–38 10.0 
D 50–60 3.0 

Under which one of the following conditions would enzyme B be most active?

The temperature is 67°C and the pH is 10.0. Incorrect The temperature is 46°C and the pH is 6.5. Incorrect The temperature is 74°C and the pH is 10.5. Incorrect The temperature is 65°C and the pH is 8.2. Correct The temperature is 74°C and the pH is 6.0. Incorrect MC

c1d4_ccdb

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 30–38 8.0 
B 40–55 3.0 
C 70–85 5.0 
D 20–30 10.0 

Under which one of the following conditions would enzyme C be most active?

The temperature is 99°C and the pH is 7.0. Incorrect The temperature is 71°C and the pH is 5.0. Correct The temperature is 80°C and the pH is 7.5. Incorrect The temperature is 82°C and the pH is 3.0. Incorrect The temperature is 92°C and the pH is 5.0. Incorrect MC

fbe4_343d

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 75–85 5.0 
B 50–68 2.0 
C 30–40 7.0 
D 20–35 10.0 

Under which one of the following conditions would enzyme A be most active?

The temperature is 78°C and the pH is 6.5. Incorrect The temperature is 65°C and the pH is 3.5. Incorrect The temperature is 79°C and the pH is 5.4. Correct The temperature is 67°C and the pH is 4.8. Incorrect The temperature is 99°C and the pH is 5.2. Incorrect MC

249f_952d

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 40–50 5.0 
B 65–77 7.0 
C 30–45 10.0 
D 15–23 1.0 

Under which one of the following conditions would enzyme B be most active?

The temperature is 57°C and the pH is 7.4. Incorrect The temperature is 52°C and the pH is 4.5. Incorrect The temperature is 71°C and the pH is 6.6. Correct The temperature is 67°C and the pH is 9.0. Incorrect The temperature is 88°C and the pH is 7.2. Incorrect MC

9f03_7861

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 30–38 6.0 
B 70–82 8.0 
C 15–33 3.0 
D 55–65 10.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 49°C and the pH is 12.0. Incorrect The temperature is 63°C and the pH is 8.0. Incorrect The temperature is 62°C and the pH is 9.6. Correct The temperature is 71°C and the pH is 10.0. Incorrect The temperature is 41°C and the pH is 7.5. Incorrect MC

588b_6245

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 20–30 3.0 
B 75–83 6.0 
C 50–68 8.0 
D 35–47 10.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 20°C and the pH is 11.5. Incorrect The temperature is 36°C and the pH is 11.5. Incorrect The temperature is 36°C and the pH is 8.0. Incorrect The temperature is 22°C and the pH is 7.5. Incorrect The temperature is 39°C and the pH is 9.8. Correct MC

ee1f_4247

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 50–60 10.0 
B 30–45 2.0 
C 65–77 6.0 
D 20–38 8.0 

Under which one of the following conditions would enzyme B be most active?

The temperature is 33°C and the pH is 1.6. Correct The temperature is 41°C and the pH is 0.5. Incorrect The temperature is 53°C and the pH is 4.0. Incorrect The temperature is 37°C and the pH is 4.5. Incorrect The temperature is 23°C and the pH is 2.0. Incorrect MC

9712_60c1

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 45–55 9.0 
B 60–72 6.0 
C 20–35 1.0 
D 75–85 4.0 

Under which one of the following conditions would enzyme A be most active?

The temperature is 68°C and the pH is 11.5. Incorrect The temperature is 34°C and the pH is 11.0. Incorrect The temperature is 50°C and the pH is 11.5. Incorrect The temperature is 31°C and the pH is 8.8. Incorrect The temperature is 48°C and the pH is 9.0. Correct MC

28ab_352d

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 70–85 10.0 
B 55–65 5.0 
C 30–40 7.0 
D 15–30 1.0 

Under which one of the following conditions would enzyme C be most active?

The temperature is 32°C and the pH is 6.6. Correct The temperature is 46°C and the pH is 4.5. Incorrect The temperature is 52°C and the pH is 8.5. Incorrect The temperature is 39°C and the pH is 5.0. Incorrect The temperature is 17°C and the pH is 6.8. Incorrect MC

1d20_e395

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 15–27 4.0 
B 70–78 2.0 
C 35–50 10.0 
D 55–65 8.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 76°C and the pH is 6.0. Incorrect The temperature is 59°C and the pH is 10.5. Incorrect The temperature is 72°C and the pH is 8.4. Incorrect The temperature is 56°C and the pH is 8.4. Correct The temperature is 40°C and the pH is 6.0. Incorrect MC

9a59_5f68

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 60–70 2.0 
B 15–25 10.0 
C 35–50 7.0 
D 75–85 4.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 98°C and the pH is 3.6. Incorrect The temperature is 83°C and the pH is 4.0. Correct The temperature is 79°C and the pH is 6.0. Incorrect The temperature is 68°C and the pH is 2.5. Incorrect The temperature is 63°C and the pH is 3.8. Incorrect MC

9f4e_5cef

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 75–85 8.0 
B 45–53 10.0 
C 15–33 5.0 
D 55–67 3.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 76°C and the pH is 3.4. Incorrect The temperature is 75°C and the pH is 5.5. Incorrect The temperature is 44°C and the pH is 0.5. Incorrect The temperature is 81°C and the pH is 1.0. Incorrect The temperature is 61°C and the pH is 3.0. Correct MC

abe5_0c75

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 65–77 4.0 
B 20–35 7.0 
C 45–55 2.0 
D 10–17 9.0 

Under which one of the following conditions would enzyme C be most active?

The temperature is 47°C and the pH is 3.5. Incorrect The temperature is 36°C and the pH is 2.2. Incorrect The temperature is 47°C and the pH is 2.2. Correct The temperature is 32°C and the pH is 0.5. Incorrect The temperature is 47°C and the pH is 0.5. Incorrect MC

4649_67e3

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 50–62 1.0 
B 20–28 10.0 
C 40–50 4.0 
D 65–80 6.0 

Under which one of the following conditions would enzyme B be most active?

The temperature is 9°C and the pH is 12.0. Incorrect The temperature is 21°C and the pH is 12.0. Incorrect The temperature is 21°C and the pH is 10.0. Correct The temperature is 22°C and the pH is 8.0. Incorrect The temperature is 7°C and the pH is 8.5. Incorrect MC

063f_2135

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 70–80 1.0 
B 50–62 5.0 
C 40–55 3.0 
D 15–25 8.0 

Under which one of the following conditions would enzyme C be most active?

The temperature is 64°C and the pH is 1.5. Incorrect The temperature is 66°C and the pH is 3.0. Incorrect The temperature is 62°C and the pH is 5.5. Incorrect The temperature is 54°C and the pH is 2.6. Correct The temperature is 30°C and the pH is 3.4. Incorrect MC

9d4e_023e

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 35–45 7.0 
B 60–68 2.0 
C 20–30 4.0 
D 50–68 10.0 

Under which one of the following conditions would enzyme B be most active?

The temperature is 82°C and the pH is 0.5. Incorrect The temperature is 65°C and the pH is 1.8. Correct The temperature is 78°C and the pH is 2.2. Incorrect The temperature is 63°C and the pH is 0.5. Incorrect The temperature is 50°C and the pH is 0.5. Incorrect MC

7532_60cf

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 55–73 10.0 
B 75–85 5.0 
C 35–43 7.0 
D 15–27 3.0 

Under which one of the following conditions would enzyme A be most active?

The temperature is 63°C and the pH is 10.2. Correct The temperature is 42°C and the pH is 8.0. Incorrect The temperature is 81°C and the pH is 9.8. Incorrect The temperature is 88°C and the pH is 12.5. Incorrect The temperature is 48°C and the pH is 11.5. Incorrect MC

5976_422c

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 40–52 1.0 
B 25–40 10.0 
C 60–70 3.0 
D 75–85 5.0 

Under which one of the following conditions would enzyme C be most active?

The temperature is 81°C and the pH is 3.2. Incorrect The temperature is 67°C and the pH is 4.5. Incorrect The temperature is 76°C and the pH is 1.5. Incorrect The temperature is 63°C and the pH is 3.0. Correct The temperature is 49°C and the pH is 4.5. Incorrect MC

9f78_8e5e

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 50–65 3.0 
B 15–23 8.0 
C 30–42 10.0 
D 70–85 1.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 97°C and the pH is 0.5. Incorrect The temperature is 94°C and the pH is 1.4. Incorrect The temperature is 72°C and the pH is 1.2. Correct The temperature is 61°C and the pH is 0.5. Incorrect The temperature is 63°C and the pH is 3.5. Incorrect MC

0ec4_d593

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 60–68 5.0 
B 30–42 8.0 
C 70–85 10.0 
D 20–35 3.0 

Under which one of the following conditions would enzyme C be most active?

The temperature is 63°C and the pH is 8.0. Incorrect The temperature is 79°C and the pH is 12.0. Incorrect The temperature is 57°C and the pH is 10.2. Incorrect The temperature is 94°C and the pH is 8.5. Incorrect The temperature is 80°C and the pH is 10.0. Correct MC

0286_c960

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 45–60 8.0 
B 75–85 2.0 
C 35–45 6.0 
D 25–37 10.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 36°C and the pH is 8.0. Incorrect The temperature is 17°C and the pH is 8.0. Incorrect The temperature is 50°C and the pH is 8.0. Incorrect The temperature is 33°C and the pH is 9.8. Correct The temperature is 11°C and the pH is 12.0. Incorrect MC

836f_6fbe

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 45–55 3.0 
B 60–75 1.0 
C 35–53 6.0 
D 15–23 9.0 

Under which one of the following conditions would enzyme C be most active?

The temperature is 60°C and the pH is 3.5. Incorrect The temperature is 23°C and the pH is 8.5. Incorrect The temperature is 52°C and the pH is 4.0. Incorrect The temperature is 40°C and the pH is 8.0. Incorrect The temperature is 44°C and the pH is 5.6. Correct MC

c2cb_5d52

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 60–75 2.0 
B 30–48 4.0 
C 20–32 10.0 
D 50–60 7.0 

Under which one of the following conditions would enzyme B be most active?

The temperature is 18°C and the pH is 1.5. Incorrect The temperature is 58°C and the pH is 2.5. Incorrect The temperature is 16°C and the pH is 4.0. Incorrect The temperature is 31°C and the pH is 4.0. Correct The temperature is 58°C and the pH is 6.5. Incorrect MC

0d67_fd8e

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 15–33 10.0 
B 75–85 1.0 
C 60–70 3.0 
D 45–55 5.0 

Under which one of the following conditions would enzyme D be most active?

The temperature is 54°C and the pH is 4.8. Correct The temperature is 69°C and the pH is 3.0. Incorrect The temperature is 39°C and the pH is 5.2. Incorrect The temperature is 37°C and the pH is 2.5. Incorrect The temperature is 35°C and the pH is 7.0. Incorrect MC

3956_bdce

Enzyme Effective
Temperature
Range (°C)
Optimum
pH
A 65–75 10.0 
B 55–65 1.0 
C 35–50 8.0 
D 15–33 3.0 

Under which one of the following conditions would enzyme B be most active?

The temperature is 75°C and the pH is 3.0. Incorrect The temperature is 42°C and the pH is 3.0. Incorrect The temperature is 41°C and the pH is 0.5. Incorrect The temperature is 72°C and the pH is 1.2. Incorrect The temperature is 62°C and the pH is 1.0. Correct