Lack of the enzyme phenylalanine hydroxylase diminishes conversion of _____ to _____.
A) fatty acids;tyrosine
B) glucose;phenylalanine
C) phenylalanine;insulin
D) phenylalanine;tyrosine
E) tyrosine;phenylalanine

Question

Lack of the enzyme phenylalanine hydroxylase diminishes conversion of _____ to _____.​
A) ​fatty acids;tyrosine
B) ​glucose;phenylalanine
C) ​phenylalanine;insulin
D) ​phenylalanine;tyrosine
E) ​tyrosine;phenylalanine

Quizplus · Accepted Answer

The enzyme phenylalanine hydroxylase is required to convert Phenylalanine to Tyrosine. When this enzyme is deficient or absent, conversion of Phenylalanine to Tyrosine is diminished, leading to accumulation of Phenylalanine in the body. Therefore, the correct answer is D: Phenylalanine to Tyrosine.

Lack of the Enzyme Phenylalanine Hydroxylase Diminishes Conversion of _____