A characteristic feature of feedback inhibition is that
A) it is wasteful of energy and reducing power in anabolic pathways
B) it leads to buildup of the end products of anabolic pathways
C) it seldom occurs in the metabolism of compounds of nitrogen
D) it commonly appears in biosynthesis of amino acids
E) it always involves the inhibition of the first step of a pathway

Question

Quizplus · Accepted Answer

Feedback inhibition is a common regulatory mechanism in the biosynthesis of amino acids, where the end product of a pathway inhibits an enzyme involved earlier in the pathway to prevent overproduction of the end product.

A Characteristic Feature of Feedback Inhibition Is That