People with phenylketonuria have high levels of urinary

Question

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Phenylketonuria is a genetic disorder in which an enzyme called phenylalanine hydroxylase is deficient or absent. This enzyme is responsible for converting phenylalanine (an amino acid found in protein-rich foods) into tyrosine. In its absence, phenylalanine builds up and is converted to phenylpyruvic acid, which is excreted in high levels in urine. Therefore, people with phenylketonuria have high levels of urinary phenylpyruvic acid.

People with Phenylketonuria Have High Levels of Urinary