Vitamin associated with one carbon transfer is__________?
Correct answer: D. Folic acid
- A. Niacin
- B. Thiamine
- C. Ascorbic acid
- D. Folic acid
Explanation
Folic acid, in its tetrahydrofolate forms, carries and transfers one-carbon units needed for nucleotide and amino-acid synthesis. Niacin mainly participates in oxidation-reduction reactions, not one-carbon transfer.
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