In an enzyme catalyzed reaction that displays feedback inhibition,_____
A)excess substrate will inhibit the reaction.
B)excess product will inhibit the reaction.
C)the reaction continues at the same pace regardless of conditions in the cell.
D)excess product is broken down to create new substrate.

Question

Quizplus · Accepted Answer

Feedback inhibition occurs when excess product accumulates and inhibits the enzyme that catalyzes the reaction, preventing further production of that product. This is a form of negative feedback regulation to maintain homeostasis in the cell. Excess substrate would not inhibit the reaction and D is not a characteristic of feedback inhibition. Also, C is not necessarily true as feedback inhibition regulates the activity of enzymes in response to changes in the surrounding conditions.

In an Enzyme Catalyzed Reaction That Displays Feedback Inhibition,_____