NEET Biology question

A person is suffering from disease phenylketonuria, which is an autosomal recessive disease. Which of these is lacking in the person?

(A)Homogentisic acid
(B)Phenylalanine hydroxylaseCorrect
(C)Caeruloplasmin
(D)Cystine

Answer: (B)

Solution

Phenylketonuria results from a deficiency of the liver enzyme phenylalanine hydroxylase, which normally converts phenylalanine to tyrosine; its absence causes phenylalanine and its metabolites to accumulate. Homogentisic

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Question ID VK-119747