NUM

4fed_4212

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for a typical amount of time.

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 11% of the correct number to be correct.

128.69900000 12.86994392 NUM

28fa_c7d2

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too short a time (bands are compressed near the top).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

30.41500000 3.04145079 NUM

d312_7264

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too long a time (some small bands may run off the bottom).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

40.36700000 4.03668678 NUM

9979_8862

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too long a time (some small bands may run off the bottom).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

85.95800000 8.59576918 NUM

fde3_e59b

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too short a time (bands are compressed near the top).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

134.44500000 13.44448181 NUM

1dbb_fe2d

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for a typical amount of time.

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 11% of the correct number to be correct.

83.03200000 8.30322473 NUM

d3aa_f3e9

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too short a time (bands are compressed near the top).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

22.13100000 2.21306368 NUM

9c31_7dd8

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too long a time (some small bands may run off the bottom).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 11% of the correct number to be correct.

208.51700000 20.85170725 NUM

e4ee_6fd7

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too short a time (bands are compressed near the top).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

119.09700000 11.90965847 NUM

7a78_d51b

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too long a time (some small bands may run off the bottom).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 11% of the correct number to be correct.

45.53700000 4.55373931 NUM

512d_822a

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for a typical amount of time.

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

55.50600000 5.55059756 NUM

685a_c2c9

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too long a time (some small bands may run off the bottom).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 11% of the correct number to be correct.

45.21100000 4.52110953 NUM

332e_7a64

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too long a time (some small bands may run off the bottom).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

120.37100000 12.03705325 NUM

1308_d835

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too short a time (bands are compressed near the top).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

194.73100000 19.47305718 NUM

6bbe_3b5c

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too long a time (some small bands may run off the bottom).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 11% of the correct number to be correct.

31.31600000 3.13163091 NUM

13ff_9322

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too long a time (some small bands may run off the bottom).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

127.71200000 12.77117241 NUM

54ed_2b79

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too short a time (bands are compressed near the top).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

41.62600000 4.16256412 NUM

ad0a_9322

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for a typical amount of time.

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

127.51300000 12.75128905 NUM

406e_4212

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too long a time (some small bands may run off the bottom).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

129.22600000 12.92255790 NUM

39d7_323a

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too short a time (bands are compressed near the top).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

16.41400000 1.64138480 NUM

4f39_8a8e

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too long a time (some small bands may run off the bottom).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 11% of the correct number to be correct.

83.40300000 8.34033911 NUM

7770_807b

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too short a time (bands are compressed near the top).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

16.56900000 1.65685125 NUM

232a_aa8f

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for a typical amount of time.

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 11% of the correct number to be correct.

21.52300000 2.15232556 NUM

b2a4_e5e0

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for a typical amount of time.

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

112.18200000 11.21816527 NUM

50d6_851b

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too short a time (bands are compressed near the top).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 11% of the correct number to be correct.

61.62200000 6.16224079 NUM

db20_ddc4

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for a typical amount of time.

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

91.16200000 9.11617713 NUM

ca02_02a3

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too long a time (some small bands may run off the bottom).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

82.70500000 8.27047303 NUM

00fb_1d6d

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for a typical amount of time.

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

29.92900000 2.99285119 NUM

976c_d835

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too long a time (some small bands may run off the bottom).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

194.86300000 19.48629106 NUM

2437_8691

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too long a time (some small bands may run off the bottom).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 11% of the correct number to be correct.

111.10400000 11.11044824 NUM

4f63_bd13

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for a typical amount of time.

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

58.62800000 5.86276704 NUM

fad5_06bc

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too long a time (some small bands may run off the bottom).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 11% of the correct number to be correct.

42.55700000 4.25571595 NUM

63f4_1ae4

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too short a time (bands are compressed near the top).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

60.20300000 6.02025834 NUM

7a8e_ace8

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too long a time (some small bands may run off the bottom).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 11% of the correct number to be correct.

207.57200000 20.75723335 NUM

92f2_8297

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for a typical amount of time.

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

13.19900000 1.31986420 NUM

8d09_949e

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for a typical amount of time.

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

200.76500000 20.07645453 NUM

f46f_4808

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too long a time (some small bands may run off the bottom).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

41.49000000 4.14899558 NUM

dca7_1f77

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for a typical amount of time.

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

28.10400000 2.81039914 NUM

058f_b16b

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too long a time (some small bands may run off the bottom).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

31.77100000 3.17705493 NUM

5f31_a9b8

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too short a time (bands are compressed near the top).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

175.46600000 17.54659838 NUM

55a1_b720

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for a typical amount of time.

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

89.53800000 8.95379793 NUM

8cc8_1374

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for a typical amount of time.

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 11% of the correct number to be correct.

43.85400000 4.38541326 NUM

b895_e5e0

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for a typical amount of time.

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

112.31900000 11.23185709 NUM

a29c_f32f

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too long a time (some small bands may run off the bottom).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

65.98400000 6.59837367 NUM

6e6c_8c06

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for a typical amount of time.

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 11% of the correct number to be correct.

44.70800000 4.47081462 NUM

4099_ea6c

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for a typical amount of time.

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

31.24000000 3.12397633 NUM

dd67_ac96

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too short a time (bands are compressed near the top).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

190.60100000 19.06008671 NUM

3511_f6f2

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too long a time (some small bands may run off the bottom).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

57.72000000 5.77199612 NUM

e2cb_2ac5

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too short a time (bands are compressed near the top).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

89.90600000 8.99057332 NUM

b1e8_fa49

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too long a time (some small bands may run off the bottom).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

41.74100000 4.17408898 NUM

6121_28df

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too long a time (some small bands may run off the bottom).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

88.11600000 8.81155885 NUM

27da_10a9

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too short a time (bands are compressed near the top).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 11% of the correct number to be correct.

88.79400000 8.87940090 NUM

eaef_cb9f

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too short a time (bands are compressed near the top).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

22.75900000 2.27585455 NUM

822d_0dc0

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too long a time (some small bands may run off the bottom).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 11% of the correct number to be correct.

64.92600000 6.49264820 NUM

dcf1_4f84

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too long a time (some small bands may run off the bottom).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 11% of the correct number to be correct.

33.08700000 3.30871556 NUM

d2e7_ce47

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too short a time (bands are compressed near the top).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 11% of the correct number to be correct.

27.99000000 2.79901540 NUM

2285_e120

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too short a time (bands are compressed near the top).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

57.04800000 5.70477210 NUM

17c9_53dc

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for a typical amount of time.

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

11.47100000 1.14705137 NUM

0369_2cf5

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too short a time (bands are compressed near the top).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 11% of the correct number to be correct.

33.21600000 3.32164192 NUM

161d_9938

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for a typical amount of time.

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

41.43600000 4.14355738 NUM

9785_7bc4

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too long a time (some small bands may run off the bottom).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

23.18100000 2.31808627 NUM

5cab_6241

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too long a time (some small bands may run off the bottom).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 11% of the correct number to be correct.

30.05600000 3.00560430 NUM

c19c_0dc0

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too short a time (bands are compressed near the top).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 11% of the correct number to be correct.

64.91800000 6.49183626 NUM

50b7_6fd7

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too long a time (some small bands may run off the bottom).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

118.52700000 11.85269383 NUM

6947_b8fb

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too short a time (bands are compressed near the top).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

12.26100000 1.22607145 NUM

4e32_1f09

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too short a time (bands are compressed near the top).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 11% of the correct number to be correct.

11.80500000 1.18052789 NUM

bc2f_1dae

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for a typical amount of time.

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 11% of the correct number to be correct.

56.70700000 5.67074899 NUM

22df_32cc

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too short a time (bands are compressed near the top).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

12.81200000 1.28117316 NUM

9051_bd5d

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for a typical amount of time.

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

21.24300000 2.12425252 NUM

2553_ba17

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too short a time (bands are compressed near the top).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

17.67100000 1.76706329 NUM

e235_4bae

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too long a time (some small bands may run off the bottom).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

88.24200000 8.82418972 NUM

8553_aaf4

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too short a time (bands are compressed near the top).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 11% of the correct number to be correct.

23.32100000 2.33212759 NUM

cf8c_1aaf

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too long a time (some small bands may run off the bottom).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 11% of the correct number to be correct.

22.89400000 2.28943370 NUM

243c_d1f2

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too long a time (some small bands may run off the bottom).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 11% of the correct number to be correct.

81.78700000 8.17874198 NUM

5878_1f84

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too short a time (bands are compressed near the top).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

17.18200000 1.71817515 NUM

35a7_8555

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too short a time (bands are compressed near the top).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

18.23000000 1.82298017 NUM

00dd_34d0

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too short a time (bands are compressed near the top).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 11% of the correct number to be correct.

112.58000000 11.25800171 NUM

c91a_7bc4

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too short a time (bands are compressed near the top).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

23.19000000 2.31898143 NUM

f7c3_7eef

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too short a time (bands are compressed near the top).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

16.88500000 1.68845697 NUM

cbdd_b16b

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too short a time (bands are compressed near the top).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

31.78100000 3.17809841 NUM

5e54_fdc5

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too long a time (some small bands may run off the bottom).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 11% of the correct number to be correct.

33.27300000 3.32734043 NUM

5d6f_94e0

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too long a time (some small bands may run off the bottom).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

198.29700000 19.82966880 NUM

6070_7da6

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too long a time (some small bands may run off the bottom).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

190.40400000 19.04037093 NUM

f069_d1f2

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too long a time (some small bands may run off the bottom).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 11% of the correct number to be correct.

81.78600000 8.17860271 NUM

12e8_d966

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too short a time (bands are compressed near the top).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 11% of the correct number to be correct.

17.42300000 1.74230973 NUM

56cb_1ed7

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too short a time (bands are compressed near the top).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

193.33900000 19.33388705 NUM

affb_ef81

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too long a time (some small bands may run off the bottom).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

40.77300000 4.07727001 NUM

2800_d835

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too long a time (some small bands may run off the bottom).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

194.85300000 19.48527034 NUM

ee30_4f84

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too long a time (some small bands may run off the bottom).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 11% of the correct number to be correct.

33.12600000 3.31262309 NUM

e68f_ac96

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too long a time (some small bands may run off the bottom).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

191.11000000 19.11098260 NUM

c1f1_7eef

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too short a time (bands are compressed near the top).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

16.86800000 1.68676080 NUM

5a57_323a

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for a typical amount of time.

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 11% of the correct number to be correct.

16.38200000 1.63821152 NUM

0e49_6c6d

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too short a time (bands are compressed near the top).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 11% of the correct number to be correct.

21.32000000 2.13203208 NUM

cd36_f1f6

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for a typical amount of time.

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 11% of the correct number to be correct.

18.58800000 1.85883779 NUM

dd11_9143

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for a typical amount of time.

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

116.33200000 11.63315896 NUM

4758_e65a

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too short a time (bands are compressed near the top).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 11% of the correct number to be correct.

21.81600000 2.18160362 NUM

4c5c_8eea

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too long a time (some small bands may run off the bottom).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 11% of the correct number to be correct.

41.34000000 4.13404167 NUM

c19b_beb5

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too short a time (bands are compressed near the top).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

91.13400000 9.11338663 NUM

47f2_4e80

Below is a simulated SDS–PAGE gel.

Lane 1 contains a Kaleidoscope-style pre-stained protein ladder. Lane 2 contains a single protein band.

The gel was run for too long a time (some small bands may run off the bottom).

Standard ladder reference (kDa):

– 250
– 150
– 100
– 75
– 50
– 37
– 25
– 20
– 15
– 10

Gel results:

Lane 1
Lane 2

What is the molecular weight (kDa) of the band in lane 2?

Assume ln(MW) is approximately linear with migration distance.

Note: answers need to be within 10% of the correct number to be correct.

86.55800000 8.65579670