Moderate

Vitamin B12 acts as a coenzyme to which one of the following enzyme ?

Correct answer: B. Homocyteine methyl transferase

  • A. Isocitrate dehydrogenase
  • B. Homocyteine methyl transferase
  • C. Glycogen synthase
  • D. G-6-P dehydrogenase

Explanation

Vitamin B12 is a coenzyme for methionine synthase, also called homocysteine methyltransferase, which converts homocysteine to methionine. The other listed enzymes use different cofactors.

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