The vitamin that is a component of the coenzyme NAD⁺ and NADP⁺ is: MCQ with Answer and Explanation

The vitamin that is a component of the coenzyme NAD⁺ and NADP⁺ is:
A. Riboflavin
B. Thiamine
C. Niacin
D. Biotin
Answer: Option C
Solution (By JKExamLibrary)
Niacin (vitamin B₃) is the precursor of NAD⁺ and NADP⁺, essential electron carriers in redox reactions. Thiamine is TPP, riboflavin FAD, biotin for carboxylation.

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