In glycolysis, the key control enzyme that is inhibited by excess ATP is
A) hexokinase.
B) phosphofructokinase.
C) alcohol dehydrogenase.
D) fructose-1,6-bisphosphate.

Question

Quizplus · Accepted Answer

Phosphofructokinase is the key control enzyme in glycolysis and is inhibited by excess ATP. This serves as a negative feedback mechanism to prevent unnecessary glucose breakdown when ATP levels are already sufficient.

In Glycolysis, the Key Control Enzyme That Is Inhibited by Excess