Which Statement BEST Describes Why Niacin Is Required in the Mammalian

question 43

Multiple Choice

Which statement BEST describes why niacin is required in the mammalian diet?

• A) Niacin is a precursor of nicotinamide adenine dinucleotide (NAD), which is a coenzyme required by many oxidoreductase enzymes.
• B) Niacin is a precursor of flavin adenine dinucleotide (FAD), which is a coenzyme required by many ligases.
• C) Niacin is a precursor of thiamine pyrophosphate, which is a coenzyme required by many transferases.
• D) Niacin is a component of coenzyme A, which is involved in many transferase reactions.
• E) Niacin is not actually required in the mammalian diet.

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