The end product of a biosynthetic pathway often acts to block the initial step in that pathway. This phenomenon is called
A) denaturation.
B) feedback inhibition.
C) irreversible inhibition.
D) allosteric activation.
E) substrate activation.

Question

Quizplus · Accepted Answer

Feedback inhibition is a regulatory mechanism in which the end product of a metabolic pathway inhibits an enzyme involved in its synthesis, thereby controlling the amount of product made.

The End Product of a Biosynthetic Pathway Often Acts to Block