Enzyme defective in Maple syrup urine disease is:: (A) Tyrosinase, (B) Phenylalanine hydroxylase, (C) Branched chain alpha ketoacid dehydrogenase, (D) Homogentisate oxidase
Answer is C. Enzyme deficiencies and conditionsTyrosinase is deficient in albinismPhenylalanine hydroxylase is deficient in phenylketonuriaMaple syrup urine disease is due to a defect in the enzyme branched chain alpha-keto acid dehydrogenaseHomogentisate oxidase is deficient in alkaptonuria