Answers PA Human Anatomy Physiology A 2026-2027 SMITH IC CatalystsQuestion 4

4

QuizMultiple Choice

Catalysts

Question 4 • PA Human Anatomy & Physiology A 2026-2027 SMITH IC

What is a substrate?

Answer

A

a molecule that acts as a catalyst

B

a place on the enzyme where the reaction occurs

C

a place on the product where the enzyme fits

D

a reactant that is catalyzed by an enzyme

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