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A substance on which an enzyme acts during a chemical reaction

User Marlun
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Enzymes are specialized proteins that catalyze or speed up chemical reactions within cells. The substance upon which an enzyme acts is called a substrate. Substrates are small molecules.
Answer : a substrate
User Tom Heard
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Answer:

Catalyst

Step-by-step explanation:

A substance on which an enzyme acts during a chemical reaction is called catalyst

User Candino
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