Answers 2025-2026_MDCPS_2000315_Biology_1_A-CR Cell TheoryQuestion 17

17

QuizMultiple Choice

Cell Theory

Question 17 • 2025-2026_MDCPS_2000315_Biology_1_A-CR

The lock-and-key mechanism refers to

Answer

A

the complementary shapes of an enzyme and a substrate.

B

the attractive forces between an enzyme and a substrate.

C

the ability of an enzyme to lower the activation energy of a reaction.

D

the ability of an enzyme to “unlock” the products of a reaction.

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