efinch0968 efinch0968

12-10-2022
Biology

Answered

NEED HELP!
Question
Which statement best explains how enzymes speed up chemical reactions?
Responses

1. Enzymes gain heat from chemical reactions.

2. Enzymes use light energy to speed up chemical reactions.

3. Enzymes lower the activation energy of a reaction.

4. Enzymes change shape during chemical reactions.

Answer :

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