The mechanism by which the end product of a metabolic pathway inhibits an earlier step in the pathway is most precisely described as
A) metabolic inhibition.
B) noncooperative inhibition.
C) irreversible inhibition.
D) feedback inhibition.

Question

Quizplus · Accepted Answer

The mechanism described is feedback inhibition, where the end product of a metabolic pathway acts as an inhibitor of an earlier enzyme in the pathway. This is a form of negative feedback control of metabolism.

The Mechanism by Which the End Product of a Metabolic