People with PKU often have too much of the amino acid _______ and too little of the amino acid _______.

Question

Quizplus · Accepted Answer

PKU stands for phenylketonuria, a genetic disorder that affects the metabolism of the amino acid phenylalanine. People with PKU have a deficiency in phenylalanine hydroxylase, an enzyme that converts phenylalanine to tyrosine. This leads to a buildup of phenylalanine and a deficiency in tyrosine. Therefore, people with PKU often have too much phenylalanine and too little tyrosine. Choice A is the only option that correctly identifies these two amino acids and their imbalances in people with PKU.

People with PKU Often Have Too Much of the Amino