Phenylketonuria is caused by the deficiency o | vedclass

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Question

(B) Phenylketonuria $(PKU)$ is an inborn error of metabolism inherited as an autosomal recessive trait.It is caused by the deficiency of the enzyme $P

Vedclass · Accepted Answer

Phenylalanine hydroxylase

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(B) Phenylketonuria $(PKU)$ is an inborn error of metabolism inherited as an autosomal recessive trait.It is caused by the deficiency of the enzyme $Phenylalanine$ hydroxylase.This enzyme is responsible for converting the amino acid $Phenylalanine$ into $Tyrosine$.Due to the lack of this enzyme, $Phenylalanine$ accumulates and is converted into phenylpyruvic acid and other derivatives, which leads to mental retardation and other symptoms.

Phenylketonuria is caused by the deficiency of which enzyme?

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