Which vitamins are required for the production of methionine from homocysteine?

Question

Quizplus · Accepted Answer

Folate and vitamin B₁₂ are required for the conversion of homocysteine to methionine in a process called remethylation. Folate donates a methyl group to homocysteine to form methionine and then vitamin B₁₂ helps to convert the homocysteine molecule back into methionine by transferring a methyl group to it. Thiamin (choice A) and niacin (choice B) are not involved in this process, and while vitamin B₆ (choice C) is involved in the metabolism of homocysteine, it is not directly required for the production of methionine from homocysteine.

Which Vitamins Are Required for the Production of Methionine from Homocysteine