Which vitamin acts as a coenzyme for the enzyme methionine synthase, which is involved in the conversion of homocysteine to methionine, and its deficiency can lead to conditions such as megaloblastic anemia?

A Vitamin B12 ✓
B Vitamin B6
C Folic acid
D Riboflavin

Explanation

Vitamin B12 acts as a coenzyme for the enzyme methionine synthase, which is involved in the conversion of homocysteine to methionine, and its deficiency can lead to conditions such as megaloblastic anemia.

Source

Guyton and Hall Textbook of Medical Physiology
Vitamins Biochemistry Vitamin B12 Medium MEDICAL Confidence: high