Vitamins and Coenzymes · Zoology

Which vitamin acts as a precursor of a hormone-like regulator rather than a classical coenzyme?

  1. Vitamin B2
  2. Vitamin D
  3. Vitamin B6
  4. Vitamin C
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Correct answer: Vitamin D

Vitamin D functions as a hormone-like regulator of gene expression. It is not a classical coenzyme in metabolic reactions.

Difficulty: Medium Question 18 of 20

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