A) proteins
B) nucleic acids
C) carbohydrates
D) vitamins
Correct Answer: D
Solution :
[D] Essential chemical components of many coenzymes are vitamins, e.g., coenzyme Nicotinamide Adenine Dinucleotide (NAD) and NADP contain the vitamin niacin. Proteins, nucleic acids and carbohydrates are not enzymatic biomolecules. |
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