Unit 5 · Enzymes

Question Bank

Cambridge IGCSE Biology 0610 · 56 questions

Q45Enzymes

Which statement best describes Active site?

(a)The temporary structure formed when a substrate binds to the active site.

(b)A meeting of enzyme and substrate molecules, needed for a reaction; more frequent at higher kinetic energy.

(c)The region of an enzyme with a specific shape where the substrate binds.

(d)A substance that increases the rate of a chemical reaction and is not changed by the reaction.

Correct answer: (c) The region of an enzyme with a specific shape where the substrate binds.

Explanation: Active site: The region of an enzyme with a specific shape where the substrate binds.

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