STANDARDZoology-Human Health and Disease
STANDARD Zoology Genetic disorders MCQ Question
Type: MCQ-conceptual-Medium-Class 12
Patient of Phenylketonuria lacks an enzyme _______ that converts amino acid phenylalanine into _______.
A
Phenyl alanine hydroxylase, tyrosine
B
Phenyl alanine hydrolase, tyrosine
C
Phenyl alanine hydroxylase, methionine
D
Phenyl alanine hydroxylase,, isoleucine
Correct Answer
Option A
Detailed Explanation
Phenylketonuria is caused by a deficiency of the enzyme phenylalanine hydroxylase, which is necessary to convert phenylalanine into tyrosine. Without this conversion, phenylalanine accumulates, leading to various health issues.
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