Answers PA Human Anatomy Physiology A 2026-2027 SMITH IC Catalysts — Unit testQuestion 17

17

QuizMultiple Choice

Catalysts — Unit test

Question 17 • PA Human Anatomy & Physiology A 2026-2027 SMITH IC

Which statement about enzymes is true?

Answer

A

An enzyme functions to decrease the rate of a chemical reaction.

B

Enzymes are proteins that function as catalysts in nonliving things.

C

Each enzyme can catalyze many different biochemical reactions.

D

Enzymes and substrates fit together like a lock and key.

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