Which of the following enzyme uses zinc as a cofactor for its biochemical functions?: (A) Pyruvate dehydrogenase, (B) Pyruvate decarboxylase, (C) a-ketoglutarate dehydrogenase, (D) Alcohol dehydrogenase
Answer is D. Zinc containing enzymes are: Alcohol dehydrogenase Carbonic anhydrase Retinine reductase Alkaline phosphatase Glutamate dehydrogenase Lactate dehydrogenase DNA and RNA polymerase d-ALA dehydratase Ref: Medical Biochemistry By Chatterjea, 2011, Page 627.