Apentix/AP Biology/Unit 3: Cellular Energetics/Question

AP Biologymediummcq1 pt

Which result distinguishes a noncompetitive inhibitor from a competitive one?

A.Adding substrate cannot fully restore activity

B.Adding substrate fully restores activity

C.The inhibitor raises Vmax

D.The enzyme gains a new function

Explanation

Core Concept

A noncompetitive inhibitor binds away from the active site, so no amount of extra substrate displaces it — Vmax stays reduced.

Correct Answer

AAdding substrate cannot fully restore activity

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