Biochemistry – MCQ 65 – Vitamin B12 as co-enzyme

Vitamin B12 acts as co-enzyme to which one of the following enzymes?
A. Isocitrate dehydrogenase
B. Homocysteine methyl transferase
C. Glycogen synthase
D. G-6-P dehydrogenase

Correct answer : B. Homocysteine methyl transferase

It catalyses the conversion of homocystine to methionine.