Vitamin B3 is a precursor of
A) NADH.
B) ATP.
C) DNA.
D) RNA.
E) more than one of these.

Question

Quizplus · Accepted Answer

Vitamin B3 (Niacin) is a precursor of NADH (nicotinamide adenine dinucleotide), which is an important coenzyme in energy metabolism. Vitamin B3 can be converted into NAD+ in the body, which is then used as a cofactor to produce ATP (adenosine triphosphate) through cellular respiration. Vitamin B3 does not have a direct role in DNA or RNA synthesis.

Vitamin B3 Is a Precursor of