PKU is one of the best known hereditary disorders in amino acid metabolism. The defect is attributed to a lesion in one of the following enzymatic activities

PKU is one of the best known hereditary disorders in amino acid metabo

1.	PKU is one of the best known hereditary disorders in amino acid metabolism. The defect is attributed to a lesion in one of the following enzymatic activities
A.	Phenylalanine ammonia lyase
B.	Phenylalanine hydroxylase
C.	Tryosine hydroxylase
D.	Phenylalanine transaminase
Answer» C. Tryosine hydroxylase

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PKU is one of the best known hereditary disorders in amino acid metabolism. The defect is attributed to a lesion in one of the following enzymatic activities

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