Apentix/AP Chemistry/Unit 5: Kinetics/Question

AP Chemistryeasymcq1 pt

Enzymes are biological catalysts. Which statement about them is true?

A.They lower the activation energy of a specific reaction

B.They shift the equilibrium constant upward

C.They are consumed in each reaction

D.They make endothermic reactions exothermic

Explanation

Core Concept

Enzymes bind substrates and stabilize the transition state, shrinking Ea for one reaction type while remaining unchanged after each cycle.

Correct Answer

AThey lower the activation energy of a specific reaction

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