Phenylketonuria is an inborn error of metabolism that affects the ability to metabolize _____.
A) insulin
B) tryptophan
C) phenylalanine
D) ketones
E) gluten

Question

Quizplus · Accepted Answer

Phenylketonuria is caused by a deficiency in the enzyme phenylalanine hydroxylase, which is responsible for the conversion of phenylalanine to tyrosine. Without this enzyme, phenylalanine builds up in the body, leading to a variety of symptoms such as intellectual disability and neurological problems.

Phenylketonuria Is an Inborn Error of Metabolism That Affects the Ability