6015_2720

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? aldosterone, a steroid hormone that acts on the kidney Incorrect adenosine triphosphate (ATP) Incorrect transcription factor proteins Correct potassium ion, K⁺ Incorrect tetrahydrofolate (THF), a form of folic acid, Vitamin B₉ Incorrect MC

6015_44ea

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? vitamin B₂, riboflavin Incorrect adenosine diphosphate (ADP) Incorrect calcium ion, Ca²⁺ Incorrect estriol (E3), one of the estrogen steroid hormones responsible for female sex characteristics Incorrect the glycolysis enzyme, hexokinase Correct MC

6015_6a39

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? creatine, an organic molecule that recharges ATP Incorrect nicotinamide adenine dinucleotide (NAD⁺ → NADH) Incorrect adenosine diphosphate (ADP) Incorrect potassium ion, K⁺ Incorrect polyalanine peptide Correct MC

6015_79ba

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? coenzyme Q10, ubiquinone Incorrect progesterone (P4), a steroid hormone involved in the menstrual cycle Incorrect the organic molecule of a heme porphyrin with an iron ion, Fe²⁺, attached Incorrect adenosine monophosphate (AMP) Incorrect polyalanine peptide Correct MC

6015_b82c

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? adenosine diphosphate (ADP) Incorrect calcium ion, Ca²⁺ Incorrect ACTH protein Correct estriol (E3), one of the estrogen steroid hormones responsible for female sex characteristics Incorrect nicotinamide adenine dinucleotide phosphate (NADP⁺ → NADPH) Incorrect MC

6015_f61d

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? adenosine diphosphate (ADP) Incorrect dehydroepiandrosterone (DHEA), a steroid hormone precursor Incorrect manganese ions (Mn²⁺) Incorrect insulin, a hormone and a protein Correct vitamin B₂, riboflavin Incorrect MC

6015_bd2d

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? methylcobalamin, a form of Vitamin B₁₂ Incorrect quinone, an organic compound involved in electron transport Incorrect dehydroepiandrosterone (DHEA), a steroid hormone precursor Incorrect vitamin B₆, pyridoxamine Incorrect the structural protein, keratin Correct MC

6015_3075

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? vitamin B₅, pantothenic acid Incorrect the organic molecule of a heme porphyrin with an iron ion, Fe²⁺, attached Incorrect nicotinamide adenine dinucleotide phosphate (NADP⁺ → NADPH) Incorrect cortisol, a corticosteroid hormone that is produced in response to stress Incorrect immunoglobulin proteins Correct MC

6015_36f5

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? the structural protein, keratin Correct estriol (E3), one of the estrogen steroid hormones responsible for female sex characteristics Incorrect adenosine triphosphate (ATP) Incorrect zinc ion, Zn²⁺ Incorrect vitamin B₅, pantothenic acid Incorrect MC

6015_5eee

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? pyridoxal phosphate (PLP), a derivative of Vitamin B₆ Incorrect vitamin B₉, folate Incorrect the glycolysis enzyme, pyruvate kinase Correct S-adenosyl methionine (SAM), an organic molecule used for methyl group transfer Incorrect adenosine monophosphate (AMP) Incorrect MC

6015_2c52

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? testosterone, an anabolic-androgenic steroid and the principal male sex hormone Incorrect vitamin B₇, biotin Incorrect the structural protein, keratin Correct the organic molecule of a heme porphyrin with an iron ion, Fe²⁺, attached Incorrect calcium ion, Ca²⁺ Incorrect MC

6015_ccd4

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? creatine, an organic molecule that recharges ATP Incorrect vitamin B₆, pyridoxamine Incorrect immunoglobulin proteins Correct adenosine triphosphate (ATP) Incorrect tetrahydrofolate (THF), a form of folic acid, Vitamin B₉ Incorrect MC

6015_1f12

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? calcium ion, Ca²⁺ Incorrect immunoglobulin proteins Correct coenzyme A (CoA) Incorrect testosterone, an anabolic-androgenic steroid and the principal male sex hormone Incorrect vitamin B₁₂, cobalamins Incorrect MC

6015_9ee6

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? quinone, an organic compound involved in electron transport Incorrect vitamin B₇, biotin Incorrect zinc ion, Zn²⁺ Incorrect estradiol (E2), one of the estrogen steroid hormones responsible for female sex characteristics Incorrect immunoglobulin proteins Correct MC

6015_9a17

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? flavin adenine dinucleotide (FAD → FADH₂) Incorrect vitamin B₁, thiamin Incorrect adenosine diphosphate (ADP) Incorrect polyalanine peptide Correct estrone (E1), one of the estrogen steroid hormones responsible for female sex characteristics Incorrect MC

6015_5ad8

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? pyridoxal phosphate (PLP), a derivative of Vitamin B₆ Incorrect iron ions, Fe⁺²/Fe⁺³ Incorrect the glycolysis enzyme, glyceraldehyde 3-phosphate dehydrogenase Correct creatine, an organic molecule that recharges ATP Incorrect estrone (E1), one of the estrogen steroid hormones responsible for female sex characteristics Incorrect MC

6015_50a8

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? adenosine triphosphate (ATP) Incorrect magnesium ion, Mg²⁺ Incorrect methylcobalamin, a form of Vitamin B₁₂ Incorrect the glycolysis enzyme, hexokinase Correct vitamin B₅, pantothenic acid Incorrect MC

6015_b485

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? adenosine triphosphate (ATP) Incorrect vitamin B₅, pantothenic acid Incorrect creatine, an organic molecule that recharges ATP Incorrect the glycolysis enzyme, pyruvate kinase Correct iron ions, Fe⁺²/Fe⁺³ Incorrect MC

6015_2b51

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? quinone, an organic compound involved in electron transport Incorrect calcium ion, Ca²⁺ Incorrect vitamin B₃, niacin Incorrect ACTH protein Correct adenosine diphosphate (ADP) Incorrect MC

6015_b758

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? nicotinamide adenine dinucleotide phosphate (NADP⁺ → NADPH) Incorrect progesterone (P4), a steroid hormone involved in the menstrual cycle Incorrect the glycolysis enzyme, glyceraldehyde 3-phosphate dehydrogenase Correct magnesium ion, Mg²⁺ Incorrect vitamin B₂, riboflavin Incorrect MC

6015_90aa

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? ACTH protein Correct adenosine monophosphate (AMP) Incorrect chloride ion, Cl^- Incorrect cortisol, a corticosteroid hormone that is produced in response to stress Incorrect S-adenosyl methionine (SAM), an organic molecule used for methyl group transfer Incorrect MC

6015_6546

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? polyalanine peptide Correct creatine, an organic molecule that recharges ATP Incorrect adenosine triphosphate (ATP) Incorrect vitamin B₂, riboflavin Incorrect coenzyme A (CoA) Incorrect MC

6015_8376

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? adenosine diphosphate (ADP) Incorrect calcium ion, Ca²⁺ Incorrect methylcobalamin, a form of Vitamin B₁₂ Incorrect the organic molecule of a heme porphyrin with an iron ion, Fe²⁺, attached Incorrect polyalanine peptide Correct MC

6015_e628

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? insulin, a hormone and a protein Correct adenosine triphosphate (ATP) Incorrect progesterone (P4), a steroid hormone involved in the menstrual cycle Incorrect iron ions, Fe⁺²/Fe⁺³ Incorrect tetrahydrofolate (THF), a form of folic acid, Vitamin B₉ Incorrect MC

6015_ae98

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? testosterone, an anabolic-androgenic steroid and the principal male sex hormone Incorrect chloride ion, Cl^- Incorrect vitamin B₁, thiamin Incorrect transcription factor proteins Correct creatine, an organic molecule that recharges ATP Incorrect MC

6015_e04e

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? S-adenosyl methionine (SAM), an organic molecule used for methyl group transfer Incorrect ACTH protein Correct adenosine diphosphate (ADP) Incorrect dehydroepiandrosterone (DHEA), a steroid hormone precursor Incorrect coenzyme Q10, ubiquinone Incorrect MC

6015_6533

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? ACTH protein Correct quinone, an organic compound involved in electron transport Incorrect dehydroepiandrosterone (DHEA), a steroid hormone precursor Incorrect adenosine monophosphate (AMP) Incorrect potassium ion, K⁺ Incorrect MC

6015_cd05

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? adenosine monophosphate (AMP) Incorrect the oxygen transport protein, hemoglobin Correct vitamin A, retinol Incorrect nicotinamide adenine dinucleotide (NAD⁺ → NADH) Incorrect estriol (E3), one of the estrogen steroid hormones responsible for female sex characteristics Incorrect MC

6015_dc76

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? vitamin B₆, pyridoxamine Incorrect coenzyme A (CoA) Incorrect insulin, a hormone and a protein Correct creatine, an organic molecule that recharges ATP Incorrect adenosine triphosphate (ATP) Incorrect MC

6015_a9a2

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? ACTH protein Correct iron ions, Fe⁺²/Fe⁺³ Incorrect adenosine monophosphate (AMP) Incorrect coenzyme A (CoA) Incorrect vitamin A, retinol Incorrect MC

6015_36ad

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? flavin mononucleotide (FMN → FMNH₂) Incorrect cortisol, a corticosteroid hormone that is produced in response to stress Incorrect vitamin B₅, pantothenic acid Incorrect the glycolysis enzyme, hexokinase Correct copper ion, Cu²⁺ Incorrect MC

6015_d63a

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? the glycolysis enzyme, glyceraldehyde 3-phosphate dehydrogenase Correct adenosine triphosphate (ATP) Incorrect magnesium ion, Mg²⁺ Incorrect vitamin B₅, pantothenic acid Incorrect flavin adenine dinucleotide (FAD → FADH₂) Incorrect MC

6015_cf74

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? vitamin B₂, riboflavin Incorrect quinone, an organic compound involved in electron transport Incorrect manganese ions (Mn²⁺) Incorrect adenosine triphosphate (ATP) Incorrect the oxygen transport protein, hemoglobin Correct MC

6015_9885

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? insulin, a hormone and a protein Correct adenosine monophosphate (AMP) Incorrect cholesterol, a cell membrane steroid Incorrect vitamin B₁, thiamin Incorrect flavin mononucleotide (FMN → FMNH₂) Incorrect MC

6015_2ba3

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? adenosine monophosphate (AMP) Incorrect quinone, an organic compound involved in electron transport Incorrect ACTH protein Correct vitamin B₉, folate Incorrect dehydroepiandrosterone (DHEA), a steroid hormone precursor Incorrect MC

6015_81c3

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? adenosine monophosphate (AMP) Incorrect quinone, an organic compound involved in electron transport Incorrect the oxygen transport protein, hemoglobin Correct zinc ion, Zn²⁺ Incorrect testosterone, an anabolic-androgenic steroid and the principal male sex hormone Incorrect MC

6015_9a48

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? chloride ion, Cl^- Incorrect the glycolysis enzyme, pyruvate kinase Correct the organic molecule of a heme porphyrin with an iron ion, Fe²⁺, attached Incorrect dehydroepiandrosterone (DHEA), a steroid hormone precursor Incorrect coenzyme A (CoA) Incorrect MC

6015_818b

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? the organic molecule of a heme porphyrin with an iron ion, Fe²⁺, attached Incorrect vitamin B₁₂, cobalamins Incorrect nicotinamide adenine dinucleotide (NAD⁺ → NADH) Incorrect progesterone (P4), a steroid hormone involved in the menstrual cycle Incorrect the glycolysis enzyme, pyruvate kinase Correct MC

6015_dc92

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? progesterone (P4), a steroid hormone involved in the menstrual cycle Incorrect S-adenosyl methionine (SAM), an organic molecule used for methyl group transfer Incorrect zinc ion, Zn²⁺ Incorrect the structural protein, keratin Correct nicotinamide adenine dinucleotide (NAD⁺ → NADH) Incorrect MC

6015_5a17

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? vitamin A, retinol Incorrect chloride ion, Cl^- Incorrect the organic molecule of a heme porphyrin with an iron ion, Fe²⁺, attached Incorrect estradiol (E2), one of the estrogen steroid hormones responsible for female sex characteristics Incorrect the glycolysis enzyme, pyruvate kinase Correct MC

6015_dbc9

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? pyridoxal phosphate (PLP), a derivative of Vitamin B₆ Incorrect adenosine triphosphate (ATP) Incorrect potassium ion, K⁺ Incorrect estriol (E3), one of the estrogen steroid hormones responsible for female sex characteristics Incorrect ACTH protein Correct MC

6015_750d

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? flavin adenine dinucleotide (FAD → FADH₂) Incorrect adenosine diphosphate (ADP) Incorrect creatine, an organic molecule that recharges ATP Incorrect sodium ion, Na⁺ Incorrect the oxygen transport protein, hemoglobin Correct MC

6015_e95b

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? the oxygen transport protein, hemoglobin Correct adenosine diphosphate (ADP) Incorrect creatine, an organic molecule that recharges ATP Incorrect flavin adenine dinucleotide (FAD → FADH₂) Incorrect vitamin B₅, pantothenic acid Incorrect MC

6015_bba9

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? zinc ion, Zn²⁺ Incorrect nicotinamide adenine dinucleotide phosphate (NADP⁺ → NADPH) Incorrect the organic molecule of a heme porphyrin with an iron ion, Fe²⁺, attached Incorrect transcription factor proteins Correct aldosterone, a steroid hormone that acts on the kidney Incorrect MC

6015_e53d

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? vitamin B₉, folate Incorrect adenosine triphosphate (ATP) Incorrect aldosterone, a steroid hormone that acts on the kidney Incorrect immunoglobulin proteins Correct creatine, an organic molecule that recharges ATP Incorrect MC

6015_5c3f

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? vitamin B₉, folate Incorrect immunoglobulin proteins Correct tetrahydrofolate (THF), a form of folic acid, Vitamin B₉ Incorrect S-adenosyl methionine (SAM), an organic molecule used for methyl group transfer Incorrect adenosine diphosphate (ADP) Incorrect MC

6015_d012

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? methylcobalamin, a form of Vitamin B₁₂ Incorrect adenosine diphosphate (ADP) Incorrect transcription factor proteins Correct vitamin A, retinol Incorrect the organic molecule of a heme porphyrin with an iron ion, Fe²⁺, attached Incorrect MC

6015_0dd8

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? vitamin B₉, folate Incorrect adenosine diphosphate (ADP) Incorrect potassium ion, K⁺ Incorrect tetrahydrofolate (THF), a form of folic acid, Vitamin B₉ Incorrect the oxygen transport protein, hemoglobin Correct MC

6015_5ba4

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? vitamin B₆, pyridoxamine Incorrect the glycolysis enzyme, pyruvate kinase Correct zinc ion, Zn²⁺ Incorrect estriol (E3), one of the estrogen steroid hormones responsible for female sex characteristics Incorrect the organic molecule of a heme porphyrin with an iron ion, Fe²⁺, attached Incorrect MC

6015_63b0

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? zinc ion, Zn²⁺ Incorrect cholesterol, a cell membrane steroid Incorrect quinone, an organic compound involved in electron transport Incorrect adenosine triphosphate (ATP) Incorrect the glycolysis enzyme, pyruvate kinase Correct MC

6015_f121

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? adenosine monophosphate (AMP) Incorrect nicotinamide adenine dinucleotide (NAD⁺ → NADH) Incorrect vitamin A, retinol Incorrect iron ions, Fe⁺²/Fe⁺³ Incorrect the glycolysis enzyme, hexokinase Correct MC

6015_6c61

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? vitamin B₃, niacin Incorrect the organic molecule of a heme porphyrin with an iron ion, Fe²⁺, attached Incorrect copper ion, Cu²⁺ Incorrect insulin, a hormone and a protein Correct estriol (E3), one of the estrogen steroid hormones responsible for female sex characteristics Incorrect MC

6015_5064

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? adenosine triphosphate (ATP) Incorrect quinone, an organic compound involved in electron transport Incorrect nicotinamide adenine dinucleotide phosphate (NADP⁺ → NADPH) Incorrect calcium ion, Ca²⁺ Incorrect the oxygen transport protein, hemoglobin Correct MC

6015_0fc8

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? S-adenosyl methionine (SAM), an organic molecule used for methyl group transfer Incorrect the glycolysis enzyme, pyruvate kinase Correct adenosine monophosphate (AMP) Incorrect dehydroepiandrosterone (DHEA), a steroid hormone precursor Incorrect vitamin B₃, niacin Incorrect MC

6015_cedf

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? cholesterol, a cell membrane steroid Incorrect pyridoxal phosphate (PLP), a derivative of Vitamin B₆ Incorrect vitamin B₁, thiamin Incorrect the glycolysis enzyme, glyceraldehyde 3-phosphate dehydrogenase Correct creatine, an organic molecule that recharges ATP Incorrect MC

6015_dba7

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? creatine, an organic molecule that recharges ATP Incorrect methylcobalamin, a form of Vitamin B₁₂ Incorrect dehydroepiandrosterone (DHEA), a steroid hormone precursor Incorrect vitamin B₂, riboflavin Incorrect immunoglobulin proteins Correct MC

6015_972a

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? zinc ion, Zn²⁺ Incorrect flavin adenine dinucleotide (FAD → FADH₂) Incorrect polyalanine peptide Correct adenosine triphosphate (ATP) Incorrect vitamin B₅, pantothenic acid Incorrect MC

6015_e906

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? adenosine diphosphate (ADP) Incorrect insulin, a hormone and a protein Correct vitamin A, retinol Incorrect coenzyme A (CoA) Incorrect copper ion, Cu²⁺ Incorrect MC

6015_2521

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? aldosterone, a steroid hormone that acts on the kidney Incorrect insulin, a hormone and a protein Correct magnesium ion, Mg²⁺ Incorrect S-adenosyl methionine (SAM), an organic molecule used for methyl group transfer Incorrect adenosine monophosphate (AMP) Incorrect MC

6015_9844

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? tetrahydrofolate (THF), a form of folic acid, Vitamin B₉ Incorrect adenosine diphosphate (ADP) Incorrect progesterone (P4), a steroid hormone involved in the menstrual cycle Incorrect vitamin B₅, pantothenic acid Incorrect the glycolysis enzyme, glyceraldehyde 3-phosphate dehydrogenase Correct MC

6015_b112

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? coenzyme Q10, ubiquinone Incorrect vitamin B₃, niacin Incorrect testosterone, an anabolic-androgenic steroid and the principal male sex hormone Incorrect adenosine triphosphate (ATP) Incorrect immunoglobulin proteins Correct MC

6015_4d83

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? creatine, an organic molecule that recharges ATP Incorrect vitamin B₆, pyridoxamine Incorrect manganese ions (Mn²⁺) Incorrect immunoglobulin proteins Correct estradiol (E2), one of the estrogen steroid hormones responsible for female sex characteristics Incorrect MC

6015_3f82

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? sodium ion, Na⁺ Incorrect vitamin B₁, thiamin Incorrect quinone, an organic compound involved in electron transport Incorrect adenosine diphosphate (ADP) Incorrect ACTH protein Correct MC

6015_bc38

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? vitamin B₇, biotin Incorrect adenosine diphosphate (ADP) Incorrect magnesium ion, Mg²⁺ Incorrect the oxygen transport protein, hemoglobin Correct estrone (E1), one of the estrogen steroid hormones responsible for female sex characteristics Incorrect MC

6015_0408

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? coenzyme A (CoA) Incorrect vitamin B₃, niacin Incorrect estriol (E3), one of the estrogen steroid hormones responsible for female sex characteristics Incorrect the oxygen transport protein, hemoglobin Correct adenosine triphosphate (ATP) Incorrect MC

6015_33e0

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? vitamin B₉, folate Incorrect pyridoxal phosphate (PLP), a derivative of Vitamin B₆ Incorrect aldosterone, a steroid hormone that acts on the kidney Incorrect S-adenosyl methionine (SAM), an organic molecule used for methyl group transfer Incorrect the structural protein, keratin Correct MC

6015_a75e

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? nicotinamide adenine dinucleotide phosphate (NADP⁺ → NADPH) Incorrect manganese ions (Mn²⁺) Incorrect vitamin B₆, pyridoxamine Incorrect immunoglobulin proteins Correct dehydroepiandrosterone (DHEA), a steroid hormone precursor Incorrect MC

6015_e708

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? ACTH protein Correct adenosine monophosphate (AMP) Incorrect dehydroepiandrosterone (DHEA), a steroid hormone precursor Incorrect coenzyme Q10, ubiquinone Incorrect quinone, an organic compound involved in electron transport Incorrect MC

6015_41c6

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? immunoglobulin proteins Correct creatine, an organic molecule that recharges ATP Incorrect cortisol, a corticosteroid hormone that is produced in response to stress Incorrect flavin adenine dinucleotide (FAD → FADH₂) Incorrect vitamin A, retinol Incorrect MC

6015_b13b

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? flavin adenine dinucleotide (FAD → FADH₂) Incorrect insulin, a hormone and a protein Correct creatine, an organic molecule that recharges ATP Incorrect vitamin B₂, riboflavin Incorrect cortisol, a corticosteroid hormone that is produced in response to stress Incorrect MC

6015_d673

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? potassium ion, K⁺ Incorrect testosterone, an anabolic-androgenic steroid and the principal male sex hormone Incorrect vitamin B₂, riboflavin Incorrect tetrahydrofolate (THF), a form of folic acid, Vitamin B₉ Incorrect polyalanine peptide Correct MC

6015_4e2c

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? nicotinamide adenine dinucleotide phosphate (NADP⁺ → NADPH) Incorrect adenosine triphosphate (ATP) Incorrect vitamin B₆, pyridoxamine Incorrect the oxygen transport protein, hemoglobin Correct testosterone, an anabolic-androgenic steroid and the principal male sex hormone Incorrect MC

6015_09e1

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? creatine, an organic molecule that recharges ATP Incorrect transcription factor proteins Correct zinc ion, Zn²⁺ Incorrect adenosine diphosphate (ADP) Incorrect aldosterone, a steroid hormone that acts on the kidney Incorrect MC

6015_4df3

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? flavin adenine dinucleotide (FAD → FADH₂) Incorrect testosterone, an anabolic-androgenic steroid and the principal male sex hormone Incorrect immunoglobulin proteins Correct vitamin B₅, pantothenic acid Incorrect S-adenosyl methionine (SAM), an organic molecule used for methyl group transfer Incorrect MC

6015_0e83

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? insulin, a hormone and a protein Correct cortisol, a corticosteroid hormone that is produced in response to stress Incorrect adenosine monophosphate (AMP) Incorrect vitamin B₇, biotin Incorrect S-adenosyl methionine (SAM), an organic molecule used for methyl group transfer Incorrect MC

6015_2bee

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? the glycolysis enzyme, glyceraldehyde 3-phosphate dehydrogenase Correct flavin mononucleotide (FMN → FMNH₂) Incorrect creatine, an organic molecule that recharges ATP Incorrect cholesterol, a cell membrane steroid Incorrect adenosine monophosphate (AMP) Incorrect MC

6015_0bcd

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? magnesium ion, Mg²⁺ Incorrect adenosine monophosphate (AMP) Incorrect estrone (E1), one of the estrogen steroid hormones responsible for female sex characteristics Incorrect vitamin A, retinol Incorrect insulin, a hormone and a protein Correct MC

6015_b717

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? progesterone (P4), a steroid hormone involved in the menstrual cycle Incorrect coenzyme A (CoA) Incorrect quinone, an organic compound involved in electron transport Incorrect vitamin B₇, biotin Incorrect the glycolysis enzyme, hexokinase Correct MC

6015_888e

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? quinone, an organic compound involved in electron transport Incorrect nicotinamide adenine dinucleotide phosphate (NADP⁺ → NADPH) Incorrect ACTH protein Correct dehydroepiandrosterone (DHEA), a steroid hormone precursor Incorrect vitamin B₇, biotin Incorrect MC

6015_b456

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? transcription factor proteins Correct estrone (E1), one of the estrogen steroid hormones responsible for female sex characteristics Incorrect quinone, an organic compound involved in electron transport Incorrect vitamin B₁₂, cobalamins Incorrect adenosine diphosphate (ADP) Incorrect MC

6015_bf30

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? coenzyme Q10, ubiquinone Incorrect immunoglobulin proteins Correct quinone, an organic compound involved in electron transport Incorrect adenosine monophosphate (AMP) Incorrect iron ions, Fe⁺²/Fe⁺³ Incorrect MC

6015_fc3a

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? pyridoxal phosphate (PLP), a derivative of Vitamin B₆ Incorrect adenosine diphosphate (ADP) Incorrect quinone, an organic compound involved in electron transport Incorrect the structural protein, keratin Correct aldosterone, a steroid hormone that acts on the kidney Incorrect MC

6015_b8b7

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? insulin, a hormone and a protein Correct testosterone, an anabolic-androgenic steroid and the principal male sex hormone Incorrect adenosine triphosphate (ATP) Incorrect flavin mononucleotide (FMN → FMNH₂) Incorrect quinone, an organic compound involved in electron transport Incorrect MC

6015_2c69

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? the glycolysis enzyme, glyceraldehyde 3-phosphate dehydrogenase Correct testosterone, an anabolic-androgenic steroid and the principal male sex hormone Incorrect adenosine triphosphate (ATP) Incorrect copper ion, Cu²⁺ Incorrect vitamin B₁₂, cobalamins Incorrect MC

6015_bde1

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? the glycolysis enzyme, pyruvate kinase Correct vitamin B₁, thiamin Incorrect tetrahydrofolate (THF), a form of folic acid, Vitamin B₉ Incorrect adenosine diphosphate (ADP) Incorrect aldosterone, a steroid hormone that acts on the kidney Incorrect MC

6015_e616

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? vitamin B₃, niacin Incorrect flavin adenine dinucleotide (FAD → FADH₂) Incorrect adenosine triphosphate (ATP) Incorrect insulin, a hormone and a protein Correct S-adenosyl methionine (SAM), an organic molecule used for methyl group transfer Incorrect MC

6015_7197

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? S-adenosyl methionine (SAM), an organic molecule used for methyl group transfer Incorrect adenosine diphosphate (ADP) Incorrect the structural protein, keratin Correct vitamin B₃, niacin Incorrect manganese ions (Mn²⁺) Incorrect MC

6015_1a26

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? vitamin B₉, folate Incorrect chloride ion, Cl^- Incorrect methylcobalamin, a form of Vitamin B₁₂ Incorrect adenosine triphosphate (ATP) Incorrect polyalanine peptide Correct MC

6015_4704

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? vitamin B₃, niacin Incorrect S-adenosyl methionine (SAM), an organic molecule used for methyl group transfer Incorrect adenosine triphosphate (ATP) Incorrect flavin mononucleotide (FMN → FMNH₂) Incorrect the glycolysis enzyme, pyruvate kinase Correct MC

6015_b5cc

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? chloride ion, Cl^- Incorrect methylcobalamin, a form of Vitamin B₁₂ Incorrect testosterone, an anabolic-androgenic steroid and the principal male sex hormone Incorrect transcription factor proteins Correct quinone, an organic compound involved in electron transport Incorrect MC

6015_5ab8

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? chloride ion, Cl^- Incorrect the glycolysis enzyme, pyruvate kinase Correct nicotinamide adenine dinucleotide phosphate (NADP⁺ → NADPH) Incorrect cholesterol, a cell membrane steroid Incorrect vitamin A, retinol Incorrect MC

6015_67a2

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? zinc ion, Zn²⁺ Incorrect coenzyme A (CoA) Incorrect the glycolysis enzyme, hexokinase Correct vitamin B₅, pantothenic acid Incorrect adenosine triphosphate (ATP) Incorrect MC

6015_d939

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? ACTH protein Correct nicotinamide adenine dinucleotide (NAD⁺ → NADH) Incorrect adenosine diphosphate (ADP) Incorrect vitamin B₇, biotin Incorrect cortisol, a corticosteroid hormone that is produced in response to stress Incorrect MC

6015_edc4

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? calcium ion, Ca²⁺ Incorrect the glycolysis enzyme, pyruvate kinase Correct vitamin B₁, thiamin Incorrect creatine, an organic molecule that recharges ATP Incorrect cholesterol, a cell membrane steroid Incorrect MC

6015_888b

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? adenosine diphosphate (ADP) Incorrect vitamin B₆, pyridoxamine Incorrect quinone, an organic compound involved in electron transport Incorrect progesterone (P4), a steroid hormone involved in the menstrual cycle Incorrect polyalanine peptide Correct MC

6015_ecb2

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? vitamin B₇, biotin Incorrect adenosine monophosphate (AMP) Incorrect the organic molecule of a heme porphyrin with an iron ion, Fe²⁺, attached Incorrect the glycolysis enzyme, hexokinase Correct sodium ion, Na⁺ Incorrect MC

6015_bb18

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? polyalanine peptide Correct cholesterol, a cell membrane steroid Incorrect zinc ion, Zn²⁺ Incorrect adenosine monophosphate (AMP) Incorrect methylcobalamin, a form of Vitamin B₁₂ Incorrect MC

6015_3deb

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? the glycolysis enzyme, glyceraldehyde 3-phosphate dehydrogenase Correct estriol (E3), one of the estrogen steroid hormones responsible for female sex characteristics Incorrect creatine, an organic molecule that recharges ATP Incorrect vitamin B₂, riboflavin Incorrect calcium ion, Ca²⁺ Incorrect MC

6015_45a8

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? potassium ion, K⁺ Incorrect adenosine monophosphate (AMP) Incorrect the glycolysis enzyme, hexokinase Correct S-adenosyl methionine (SAM), an organic molecule used for methyl group transfer Incorrect cortisol, a corticosteroid hormone that is produced in response to stress Incorrect MC

6015_620b

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? magnesium ion, Mg²⁺ Incorrect vitamin B₁, thiamin Incorrect tetrahydrofolate (THF), a form of folic acid, Vitamin B₉ Incorrect the structural protein, keratin Correct cholesterol, a cell membrane steroid Incorrect MC

6015_2700

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? creatine, an organic molecule that recharges ATP Incorrect testosterone, an anabolic-androgenic steroid and the principal male sex hormone Incorrect chloride ion, Cl^- Incorrect the glycolysis enzyme, glyceraldehyde 3-phosphate dehydrogenase Correct adenosine diphosphate (ADP) Incorrect MC

6015_7c07

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? S-adenosyl methionine (SAM), an organic molecule used for methyl group transfer Incorrect the glycolysis enzyme, glyceraldehyde 3-phosphate dehydrogenase Correct nicotinamide adenine dinucleotide phosphate (NADP⁺ → NADPH) Incorrect vitamin B₂, riboflavin Incorrect aldosterone, a steroid hormone that acts on the kidney Incorrect MC

6015_96aa

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? adenosine diphosphate (ADP) Incorrect tetrahydrofolate (THF), a form of folic acid, Vitamin B₉ Incorrect vitamin B₃, niacin Incorrect copper ion, Cu²⁺ Incorrect transcription factor proteins Correct MC

6015_756a

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? transcription factor proteins Correct tetrahydrofolate (THF), a form of folic acid, Vitamin B₉ Incorrect estradiol (E2), one of the estrogen steroid hormones responsible for female sex characteristics Incorrect vitamin B₅, pantothenic acid Incorrect iron ions, Fe⁺²/Fe⁺³ Incorrect MC

6015_f789

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? creatine, an organic molecule that recharges ATP Incorrect nicotinamide adenine dinucleotide phosphate (NADP⁺ → NADPH) Incorrect vitamin B₅, pantothenic acid Incorrect ACTH protein Correct iron ions, Fe⁺²/Fe⁺³ Incorrect MC

6015_b428

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? estriol (E3), one of the estrogen steroid hormones responsible for female sex characteristics Incorrect nicotinamide adenine dinucleotide (NAD⁺ → NADH) Incorrect creatine, an organic molecule that recharges ATP Incorrect ACTH protein Correct vitamin B₂, riboflavin Incorrect MC

6015_513f

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? ACTH protein Correct vitamin B₁₂, cobalamins Incorrect copper ion, Cu²⁺ Incorrect S-adenosyl methionine (SAM), an organic molecule used for methyl group transfer Incorrect methylcobalamin, a form of Vitamin B₁₂ Incorrect MC

6015_4e02

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? potassium ion, K⁺ Incorrect pyridoxal phosphate (PLP), a derivative of Vitamin B₆ Incorrect dehydroepiandrosterone (DHEA), a steroid hormone precursor Incorrect polyalanine peptide Correct vitamin B₆, pyridoxamine Incorrect MC

6015_9d7b

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? adenosine triphosphate (ATP) Incorrect polyalanine peptide Correct S-adenosyl methionine (SAM), an organic molecule used for methyl group transfer Incorrect potassium ion, K⁺ Incorrect nicotinamide adenine dinucleotide (NAD⁺ → NADH) Incorrect MC

6015_b6ab

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? adenosine triphosphate (ATP) Incorrect copper ion, Cu²⁺ Incorrect tetrahydrofolate (THF), a form of folic acid, Vitamin B₉ Incorrect cortisol, a corticosteroid hormone that is produced in response to stress Incorrect the glycolysis enzyme, hexokinase Correct MC

6015_9934

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? vitamin A, retinol Incorrect creatine, an organic molecule that recharges ATP Incorrect adenosine monophosphate (AMP) Incorrect zinc ion, Zn²⁺ Incorrect ACTH protein Correct MC

6015_00ba

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? pyridoxal phosphate (PLP), a derivative of Vitamin B₆ Incorrect vitamin B₃, niacin Incorrect estriol (E3), one of the estrogen steroid hormones responsible for female sex characteristics Incorrect the structural protein, keratin Correct quinone, an organic compound involved in electron transport Incorrect MC

6015_330d

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? chloride ion, Cl^- Incorrect the structural protein, keratin Correct flavin adenine dinucleotide (FAD → FADH₂) Incorrect vitamin B₃, niacin Incorrect the organic molecule of a heme porphyrin with an iron ion, Fe²⁺, attached Incorrect MC

6015_c5bb

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? progesterone (P4), a steroid hormone involved in the menstrual cycle Incorrect vitamin B₇, biotin Incorrect ACTH protein Correct copper ion, Cu²⁺ Incorrect S-adenosyl methionine (SAM), an organic molecule used for methyl group transfer Incorrect MC

6015_3d89

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? zinc ion, Zn²⁺ Incorrect insulin, a hormone and a protein Correct flavin adenine dinucleotide (FAD → FADH₂) Incorrect quinone, an organic compound involved in electron transport Incorrect adenosine monophosphate (AMP) Incorrect MC

6015_d308

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? adenosine triphosphate (ATP) Incorrect vitamin B₉, folate Incorrect estradiol (E2), one of the estrogen steroid hormones responsible for female sex characteristics Incorrect manganese ions (Mn²⁺) Incorrect the glycolysis enzyme, glyceraldehyde 3-phosphate dehydrogenase Correct MC

6015_6326

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? copper ion, Cu²⁺ Incorrect the structural protein, keratin Correct adenosine monophosphate (AMP) Incorrect creatine, an organic molecule that recharges ATP Incorrect methylcobalamin, a form of Vitamin B₁₂ Incorrect MC

6015_1e12

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? vitamin B₁₂, cobalamins Incorrect flavin mononucleotide (FMN → FMNH₂) Incorrect aldosterone, a steroid hormone that acts on the kidney Incorrect adenosine triphosphate (ATP) Incorrect the oxygen transport protein, hemoglobin Correct MC

6015_9a07

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? the organic molecule of a heme porphyrin with an iron ion, Fe²⁺, attached Incorrect manganese ions (Mn²⁺) Incorrect progesterone (P4), a steroid hormone involved in the menstrual cycle Incorrect the glycolysis enzyme, hexokinase Correct flavin mononucleotide (FMN → FMNH₂) Incorrect MC

6015_3d31

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? dehydroepiandrosterone (DHEA), a steroid hormone precursor Incorrect the organic molecule of a heme porphyrin with an iron ion, Fe²⁺, attached Incorrect adenosine monophosphate (AMP) Incorrect vitamin B₆, pyridoxamine Incorrect ACTH protein Correct MC

6015_c19c

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? creatine, an organic molecule that recharges ATP Incorrect polyalanine peptide Correct adenosine triphosphate (ATP) Incorrect calcium ion, Ca²⁺ Incorrect vitamin B₁₂, cobalamins Incorrect MC

6015_946d

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? pyridoxal phosphate (PLP), a derivative of Vitamin B₆ Incorrect adenosine triphosphate (ATP) Incorrect cholesterol, a cell membrane steroid Incorrect vitamin B₉, folate Incorrect transcription factor proteins Correct MC

6015_7d34

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? quinone, an organic compound involved in electron transport Incorrect cholesterol, a cell membrane steroid Incorrect adenosine monophosphate (AMP) Incorrect vitamin B₂, riboflavin Incorrect the glycolysis enzyme, hexokinase Correct MC

6015_3a5f

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? zinc ion, Zn²⁺ Incorrect the structural protein, keratin Correct tetrahydrofolate (THF), a form of folic acid, Vitamin B₉ Incorrect adenosine monophosphate (AMP) Incorrect dehydroepiandrosterone (DHEA), a steroid hormone precursor Incorrect MC

6015_f7f7

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? immunoglobulin proteins Correct coenzyme A (CoA) Incorrect adenosine diphosphate (ADP) Incorrect cortisol, a corticosteroid hormone that is produced in response to stress Incorrect vitamin B₆, pyridoxamine Incorrect MC

6015_686f

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? the glycolysis enzyme, glyceraldehyde 3-phosphate dehydrogenase Correct estriol (E3), one of the estrogen steroid hormones responsible for female sex characteristics Incorrect vitamin B₉, folate Incorrect methylcobalamin, a form of Vitamin B₁₂ Incorrect S-adenosyl methionine (SAM), an organic molecule used for methyl group transfer Incorrect MC

6015_8bf3

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? S-adenosyl methionine (SAM), an organic molecule used for methyl group transfer Incorrect vitamin B₇, biotin Incorrect the oxygen transport protein, hemoglobin Correct flavin mononucleotide (FMN → FMNH₂) Incorrect potassium ion, K⁺ Incorrect MC

6015_0225

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? coenzyme A (CoA) Incorrect adenosine diphosphate (ADP) Incorrect estriol (E3), one of the estrogen steroid hormones responsible for female sex characteristics Incorrect manganese ions (Mn²⁺) Incorrect the glycolysis enzyme, glyceraldehyde 3-phosphate dehydrogenase Correct MC

6015_e216

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? pyridoxal phosphate (PLP), a derivative of Vitamin B₆ Incorrect adenosine diphosphate (ADP) Incorrect aldosterone, a steroid hormone that acts on the kidney Incorrect copper ion, Cu²⁺ Incorrect the glycolysis enzyme, hexokinase Correct MC

6015_2dbf

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? vitamin B₁₂, cobalamins Incorrect creatine, an organic molecule that recharges ATP Incorrect calcium ion, Ca²⁺ Incorrect adenosine diphosphate (ADP) Incorrect the oxygen transport protein, hemoglobin Correct MC

6015_4a11

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? cholesterol, a cell membrane steroid Incorrect the glycolysis enzyme, glyceraldehyde 3-phosphate dehydrogenase Correct S-adenosyl methionine (SAM), an organic molecule used for methyl group transfer Incorrect pyridoxal phosphate (PLP), a derivative of Vitamin B₆ Incorrect vitamin B₇, biotin Incorrect MC

6015_34c4

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? creatine, an organic molecule that recharges ATP Incorrect nicotinamide adenine dinucleotide phosphate (NADP⁺ → NADPH) Incorrect insulin, a hormone and a protein Correct adenosine diphosphate (ADP) Incorrect magnesium ion, Mg²⁺ Incorrect MC

6015_1bed

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? coenzyme Q10, ubiquinone Incorrect vitamin B₃, niacin Incorrect copper ion, Cu²⁺ Incorrect quinone, an organic compound involved in electron transport Incorrect the oxygen transport protein, hemoglobin Correct MC

6015_2e7b

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? the oxygen transport protein, hemoglobin Correct adenosine monophosphate (AMP) Incorrect progesterone (P4), a steroid hormone involved in the menstrual cycle Incorrect manganese ions (Mn²⁺) Incorrect quinone, an organic compound involved in electron transport Incorrect MC

6015_124e

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? adenosine diphosphate (ADP) Incorrect vitamin B₉, folate Incorrect calcium ion, Ca²⁺ Incorrect the oxygen transport protein, hemoglobin Correct dehydroepiandrosterone (DHEA), a steroid hormone precursor Incorrect MC

6015_044a

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? coenzyme Q10, ubiquinone Incorrect dehydroepiandrosterone (DHEA), a steroid hormone precursor Incorrect the glycolysis enzyme, hexokinase Correct adenosine triphosphate (ATP) Incorrect vitamin B₆, pyridoxamine Incorrect MC

6015_b0b3

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? nicotinamide adenine dinucleotide (NAD⁺ → NADH) Incorrect sodium ion, Na⁺ Incorrect estriol (E3), one of the estrogen steroid hormones responsible for female sex characteristics Incorrect adenosine monophosphate (AMP) Incorrect the glycolysis enzyme, pyruvate kinase Correct MC

6015_c3b3

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? flavin adenine dinucleotide (FAD → FADH₂) Incorrect magnesium ion, Mg²⁺ Incorrect adenosine diphosphate (ADP) Incorrect vitamin B₁₂, cobalamins Incorrect the glycolysis enzyme, hexokinase Correct MC

6015_74a9

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? the glycolysis enzyme, glyceraldehyde 3-phosphate dehydrogenase Correct copper ion, Cu²⁺ Incorrect flavin mononucleotide (FMN → FMNH₂) Incorrect estriol (E3), one of the estrogen steroid hormones responsible for female sex characteristics Incorrect vitamin A, retinol Incorrect MC

6015_7322

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? the glycolysis enzyme, glyceraldehyde 3-phosphate dehydrogenase Correct aldosterone, a steroid hormone that acts on the kidney Incorrect sodium ion, Na⁺ Incorrect adenosine monophosphate (AMP) Incorrect flavin adenine dinucleotide (FAD → FADH₂) Incorrect MC

6015_37cb

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? adenosine triphosphate (ATP) Incorrect the oxygen transport protein, hemoglobin Correct vitamin A, retinol Incorrect potassium ion, K⁺ Incorrect flavin adenine dinucleotide (FAD → FADH₂) Incorrect MC

6015_c71c

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? coenzyme A (CoA) Incorrect vitamin B₉, folate Incorrect the glycolysis enzyme, pyruvate kinase Correct S-adenosyl methionine (SAM), an organic molecule used for methyl group transfer Incorrect sodium ion, Na⁺ Incorrect MC

6015_e647

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? methylcobalamin, a form of Vitamin B₁₂ Incorrect zinc ion, Zn²⁺ Incorrect vitamin B₂, riboflavin Incorrect transcription factor proteins Correct adenosine diphosphate (ADP) Incorrect MC

6015_edc8

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? manganese ions (Mn²⁺) Incorrect pyridoxal phosphate (PLP), a derivative of Vitamin B₆ Incorrect the glycolysis enzyme, glyceraldehyde 3-phosphate dehydrogenase Correct vitamin B₇, biotin Incorrect progesterone (P4), a steroid hormone involved in the menstrual cycle Incorrect MC

6015_17c8

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? polyalanine peptide Correct methylcobalamin, a form of Vitamin B₁₂ Incorrect adenosine triphosphate (ATP) Incorrect estriol (E3), one of the estrogen steroid hormones responsible for female sex characteristics Incorrect the organic molecule of a heme porphyrin with an iron ion, Fe²⁺, attached Incorrect MC

6015_de03

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? zinc ion, Zn²⁺ Incorrect the organic molecule of a heme porphyrin with an iron ion, Fe²⁺, attached Incorrect vitamin A, retinol Incorrect the structural protein, keratin Correct cholesterol, a cell membrane steroid Incorrect MC

6015_8fe1

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? testosterone, an anabolic-androgenic steroid and the principal male sex hormone Incorrect the organic molecule of a heme porphyrin with an iron ion, Fe²⁺, attached Incorrect immunoglobulin proteins Correct coenzyme A (CoA) Incorrect adenosine triphosphate (ATP) Incorrect MC

6015_f1e8

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? vitamin B₃, niacin Incorrect quinone, an organic compound involved in electron transport Incorrect adenosine monophosphate (AMP) Incorrect the structural protein, keratin Correct manganese ions (Mn²⁺) Incorrect MC

6015_e702

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? dehydroepiandrosterone (DHEA), a steroid hormone precursor Incorrect calcium ion, Ca²⁺ Incorrect adenosine triphosphate (ATP) Incorrect nicotinamide adenine dinucleotide phosphate (NADP⁺ → NADPH) Incorrect transcription factor proteins Correct MC

6015_c7f1

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? adenosine diphosphate (ADP) Incorrect creatine, an organic molecule that recharges ATP Incorrect the glycolysis enzyme, hexokinase Correct vitamin B₁₂, cobalamins Incorrect progesterone (P4), a steroid hormone involved in the menstrual cycle Incorrect MC

6015_b654

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? estrone (E1), one of the estrogen steroid hormones responsible for female sex characteristics Incorrect zinc ion, Zn²⁺ Incorrect vitamin B₅, pantothenic acid Incorrect ACTH protein Correct coenzyme A (CoA) Incorrect MC

6015_f8e3

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? adenosine diphosphate (ADP) Incorrect cholesterol, a cell membrane steroid Incorrect the glycolysis enzyme, glyceraldehyde 3-phosphate dehydrogenase Correct coenzyme Q10, ubiquinone Incorrect S-adenosyl methionine (SAM), an organic molecule used for methyl group transfer Incorrect MC

6015_9698

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? zinc ion, Zn²⁺ Incorrect nicotinamide adenine dinucleotide phosphate (NADP⁺ → NADPH) Incorrect the oxygen transport protein, hemoglobin Correct the organic molecule of a heme porphyrin with an iron ion, Fe²⁺, attached Incorrect vitamin B₅, pantothenic acid Incorrect MC

6015_57e7

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? creatine, an organic molecule that recharges ATP Incorrect vitamin B₅, pantothenic acid Incorrect methylcobalamin, a form of Vitamin B₁₂ Incorrect cholesterol, a cell membrane steroid Incorrect ACTH protein Correct MC

6015_3697

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? copper ion, Cu²⁺ Incorrect vitamin B₁, thiamin Incorrect the glycolysis enzyme, glyceraldehyde 3-phosphate dehydrogenase Correct adenosine monophosphate (AMP) Incorrect estrone (E1), one of the estrogen steroid hormones responsible for female sex characteristics Incorrect MC

6015_ae2c

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? manganese ions (Mn²⁺) Incorrect adenosine triphosphate (ATP) Incorrect flavin adenine dinucleotide (FAD → FADH₂) Incorrect creatine, an organic molecule that recharges ATP Incorrect ACTH protein Correct MC

6015_ecee

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? adenosine diphosphate (ADP) Incorrect the oxygen transport protein, hemoglobin Correct S-adenosyl methionine (SAM), an organic molecule used for methyl group transfer Incorrect aldosterone, a steroid hormone that acts on the kidney Incorrect vitamin B₁, thiamin Incorrect MC

6015_9a98

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? tetrahydrofolate (THF), a form of folic acid, Vitamin B₉ Incorrect zinc ion, Zn²⁺ Incorrect transcription factor proteins Correct testosterone, an anabolic-androgenic steroid and the principal male sex hormone Incorrect the organic molecule of a heme porphyrin with an iron ion, Fe²⁺, attached Incorrect MC

6015_58df

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? quinone, an organic compound involved in electron transport Incorrect vitamin B₆, pyridoxamine Incorrect the structural protein, keratin Correct cortisol, a corticosteroid hormone that is produced in response to stress Incorrect coenzyme A (CoA) Incorrect MC

6015_f486

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? vitamin B₁₂, cobalamins Incorrect adenosine diphosphate (ADP) Incorrect methylcobalamin, a form of Vitamin B₁₂ Incorrect S-adenosyl methionine (SAM), an organic molecule used for methyl group transfer Incorrect ACTH protein Correct MC

6015_3127

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? S-adenosyl methionine (SAM), an organic molecule used for methyl group transfer Incorrect chloride ion, Cl^- Incorrect vitamin A, retinol Incorrect transcription factor proteins Correct adenosine diphosphate (ADP) Incorrect MC

6015_a4a3

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? progesterone (P4), a steroid hormone involved in the menstrual cycle Incorrect magnesium ion, Mg²⁺ Incorrect insulin, a hormone and a protein Correct vitamin B₂, riboflavin Incorrect S-adenosyl methionine (SAM), an organic molecule used for methyl group transfer Incorrect MC

6015_08d8

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? testosterone, an anabolic-androgenic steroid and the principal male sex hormone Incorrect vitamin A, retinol Incorrect coenzyme Q10, ubiquinone Incorrect immunoglobulin proteins Correct adenosine diphosphate (ADP) Incorrect MC

6015_eb93

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? insulin, a hormone and a protein Correct flavin adenine dinucleotide (FAD → FADH₂) Incorrect creatine, an organic molecule that recharges ATP Incorrect cortisol, a corticosteroid hormone that is produced in response to stress Incorrect vitamin B₆, pyridoxamine Incorrect MC

6015_36b1

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? insulin, a hormone and a protein Correct dehydroepiandrosterone (DHEA), a steroid hormone precursor Incorrect adenosine diphosphate (ADP) Incorrect methylcobalamin, a form of Vitamin B₁₂ Incorrect magnesium ion, Mg²⁺ Incorrect MC

6015_a57f

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? creatine, an organic molecule that recharges ATP Incorrect zinc ion, Zn²⁺ Incorrect polyalanine peptide Correct methylcobalamin, a form of Vitamin B₁₂ Incorrect adenosine triphosphate (ATP) Incorrect MC

6015_34d6

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? nicotinamide adenine dinucleotide (NAD⁺ → NADH) Incorrect estradiol (E2), one of the estrogen steroid hormones responsible for female sex characteristics Incorrect potassium ion, K⁺ Incorrect vitamin B₉, folate Incorrect the structural protein, keratin Correct MC

6015_68f8

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? nicotinamide adenine dinucleotide phosphate (NADP⁺ → NADPH) Incorrect estradiol (E2), one of the estrogen steroid hormones responsible for female sex characteristics Incorrect potassium ion, K⁺ Incorrect adenosine monophosphate (AMP) Incorrect transcription factor proteins Correct MC

6015_abc5

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? vitamin B₅, pantothenic acid Incorrect chloride ion, Cl^- Incorrect flavin mononucleotide (FMN → FMNH₂) Incorrect the structural protein, keratin Correct cholesterol, a cell membrane steroid Incorrect MC

6015_976c

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? adenosine triphosphate (ATP) Incorrect vitamin B₇, biotin Incorrect cortisol, a corticosteroid hormone that is produced in response to stress Incorrect nicotinamide adenine dinucleotide phosphate (NADP⁺ → NADPH) Incorrect the glycolysis enzyme, hexokinase Correct MC

6015_b26f

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? magnesium ion, Mg²⁺ Incorrect adenosine monophosphate (AMP) Incorrect quinone, an organic compound involved in electron transport Incorrect flavin adenine dinucleotide (FAD → FADH₂) Incorrect the glycolysis enzyme, pyruvate kinase Correct MC

6015_4b56

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? the oxygen transport protein, hemoglobin Correct chloride ion, Cl^- Incorrect adenosine triphosphate (ATP) Incorrect quinone, an organic compound involved in electron transport Incorrect testosterone, an anabolic-androgenic steroid and the principal male sex hormone Incorrect MC

6015_52ee

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? chloride ion, Cl^- Incorrect cholesterol, a cell membrane steroid Incorrect transcription factor proteins Correct tetrahydrofolate (THF), a form of folic acid, Vitamin B₉ Incorrect vitamin A, retinol Incorrect MC

6015_3b71

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? vitamin B₆, pyridoxamine Incorrect sodium ion, Na⁺ Incorrect the glycolysis enzyme, glyceraldehyde 3-phosphate dehydrogenase Correct S-adenosyl methionine (SAM), an organic molecule used for methyl group transfer Incorrect cholesterol, a cell membrane steroid Incorrect MC

6015_9764

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? progesterone (P4), a steroid hormone involved in the menstrual cycle Incorrect the glycolysis enzyme, hexokinase Correct adenosine triphosphate (ATP) Incorrect the organic molecule of a heme porphyrin with an iron ion, Fe²⁺, attached Incorrect potassium ion, K⁺ Incorrect MC

6015_5754

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? pyridoxal phosphate (PLP), a derivative of Vitamin B₆ Incorrect polyalanine peptide Correct vitamin A, retinol Incorrect progesterone (P4), a steroid hormone involved in the menstrual cycle Incorrect manganese ions (Mn²⁺) Incorrect MC

6015_43df

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? progesterone (P4), a steroid hormone involved in the menstrual cycle Incorrect methylcobalamin, a form of Vitamin B₁₂ Incorrect the glycolysis enzyme, hexokinase Correct manganese ions (Mn²⁺) Incorrect adenosine triphosphate (ATP) Incorrect MC

6015_792c

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? nicotinamide adenine dinucleotide phosphate (NADP⁺ → NADPH) Incorrect the glycolysis enzyme, glyceraldehyde 3-phosphate dehydrogenase Correct adenosine monophosphate (AMP) Incorrect the organic molecule of a heme porphyrin with an iron ion, Fe²⁺, attached Incorrect copper ion, Cu²⁺ Incorrect MC

6015_af1a

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? magnesium ion, Mg²⁺ Incorrect adenosine diphosphate (ADP) Incorrect coenzyme A (CoA) Incorrect the oxygen transport protein, hemoglobin Correct vitamin A, retinol Incorrect MC

6015_24bc

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? cholesterol, a cell membrane steroid Incorrect iron ions, Fe⁺²/Fe⁺³ Incorrect S-adenosyl methionine (SAM), an organic molecule used for methyl group transfer Incorrect immunoglobulin proteins Correct coenzyme Q10, ubiquinone Incorrect MC

6015_203d

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? potassium ion, K⁺ Incorrect vitamin B₁₂, cobalamins Incorrect S-adenosyl methionine (SAM), an organic molecule used for methyl group transfer Incorrect nicotinamide adenine dinucleotide (NAD⁺ → NADH) Incorrect the glycolysis enzyme, glyceraldehyde 3-phosphate dehydrogenase Correct MC

6015_bc0f

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? immunoglobulin proteins Correct methylcobalamin, a form of Vitamin B₁₂ Incorrect progesterone (P4), a steroid hormone involved in the menstrual cycle Incorrect adenosine monophosphate (AMP) Incorrect vitamin B₃, niacin Incorrect MC

6015_df61

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? adenosine triphosphate (ATP) Incorrect vitamin B₁, thiamin Incorrect the organic molecule of a heme porphyrin with an iron ion, Fe²⁺, attached Incorrect the oxygen transport protein, hemoglobin Correct coenzyme A (CoA) Incorrect MC

6015_8d4f

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? creatine, an organic molecule that recharges ATP Incorrect estriol (E3), one of the estrogen steroid hormones responsible for female sex characteristics Incorrect adenosine triphosphate (ATP) Incorrect the glycolysis enzyme, hexokinase Correct pyridoxal phosphate (PLP), a derivative of Vitamin B₆ Incorrect MC

6015_7e14

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? copper ion, Cu²⁺ Incorrect the oxygen transport protein, hemoglobin Correct nicotinamide adenine dinucleotide phosphate (NADP⁺ → NADPH) Incorrect quinone, an organic compound involved in electron transport Incorrect adenosine triphosphate (ATP) Incorrect MC

6015_f0cc

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? adenosine triphosphate (ATP) Incorrect tetrahydrofolate (THF), a form of folic acid, Vitamin B₉ Incorrect immunoglobulin proteins Correct chloride ion, Cl^- Incorrect creatine, an organic molecule that recharges ATP Incorrect MC

6015_9f1a

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? vitamin B₁, thiamin Incorrect quinone, an organic compound involved in electron transport Incorrect polyalanine peptide Correct pyridoxal phosphate (PLP), a derivative of Vitamin B₆ Incorrect adenosine monophosphate (AMP) Incorrect MC

6015_8b28

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? estriol (E3), one of the estrogen steroid hormones responsible for female sex characteristics Incorrect the organic molecule of a heme porphyrin with an iron ion, Fe²⁺, attached Incorrect manganese ions (Mn²⁺) Incorrect vitamin B₁₂, cobalamins Incorrect the glycolysis enzyme, pyruvate kinase Correct MC

6015_c03e

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? cholesterol, a cell membrane steroid Incorrect vitamin A, retinol Incorrect the organic molecule of a heme porphyrin with an iron ion, Fe²⁺, attached Incorrect nicotinamide adenine dinucleotide (NAD⁺ → NADH) Incorrect the glycolysis enzyme, pyruvate kinase Correct MC

6015_ff8d

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? S-adenosyl methionine (SAM), an organic molecule used for methyl group transfer Incorrect vitamin B₉, folate Incorrect adenosine diphosphate (ADP) Incorrect insulin, a hormone and a protein Correct flavin mononucleotide (FMN → FMNH₂) Incorrect MC

6015_6d8a

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? cortisol, a corticosteroid hormone that is produced in response to stress Incorrect quinone, an organic compound involved in electron transport Incorrect adenosine monophosphate (AMP) Incorrect ACTH protein Correct vitamin B₉, folate Incorrect MC

6015_fdca

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? insulin, a hormone and a protein Correct chloride ion, Cl^- Incorrect adenosine triphosphate (ATP) Incorrect cortisol, a corticosteroid hormone that is produced in response to stress Incorrect vitamin B₁, thiamin Incorrect MC

6015_d9be

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? methylcobalamin, a form of Vitamin B₁₂ Incorrect creatine, an organic molecule that recharges ATP Incorrect the glycolysis enzyme, hexokinase Correct vitamin B₁, thiamin Incorrect cortisol, a corticosteroid hormone that is produced in response to stress Incorrect MC

6015_85e6

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? adenosine diphosphate (ADP) Incorrect immunoglobulin proteins Correct copper ion, Cu²⁺ Incorrect coenzyme Q10, ubiquinone Incorrect cholesterol, a cell membrane steroid Incorrect MC

6015_2522

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? coenzyme A (CoA) Incorrect the organic molecule of a heme porphyrin with an iron ion, Fe²⁺, attached Incorrect vitamin B₉, folate Incorrect zinc ion, Zn²⁺ Incorrect the glycolysis enzyme, pyruvate kinase Correct MC

6015_01a9

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? manganese ions (Mn²⁺) Incorrect S-adenosyl methionine (SAM), an organic molecule used for methyl group transfer Incorrect estriol (E3), one of the estrogen steroid hormones responsible for female sex characteristics Incorrect adenosine monophosphate (AMP) Incorrect polyalanine peptide Correct MC

6015_bfa4

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? adenosine triphosphate (ATP) Incorrect pyridoxal phosphate (PLP), a derivative of Vitamin B₆ Incorrect vitamin B₃, niacin Incorrect S-adenosyl methionine (SAM), an organic molecule used for methyl group transfer Incorrect the glycolysis enzyme, pyruvate kinase Correct MC

6015_0d69

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? iron ions, Fe⁺²/Fe⁺³ Incorrect flavin mononucleotide (FMN → FMNH₂) Incorrect vitamin B₇, biotin Incorrect the glycolysis enzyme, glyceraldehyde 3-phosphate dehydrogenase Correct the organic molecule of a heme porphyrin with an iron ion, Fe²⁺, attached Incorrect MC

6015_0b0c

Which one of the following molecular entities CANNOT be classified as an enzymatic cofactor? the glycolysis enzyme, glyceraldehyde 3-phosphate dehydrogenase Correct vitamin A, retinol Incorrect creatine, an organic molecule that recharges ATP Incorrect sodium ion, Na⁺ Incorrect adenosine monophosphate (AMP) Incorrect