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What is a substrate?


a molecule that changes state


a place where the reaction occurs


a place on the product where the enzyme fits


a reactant that is catalyzed by an enzyme

Verified Answer :

Hello! A substrate is a reactant that is catalyzed by an enzyme. A substrate binds to an active site, and enzymes bind to the substrate. Hope this helps! :)

Answer:

a reactant that is catalyzed by an enzyme

Explanation:

A substrate, or reactant is a substance which catalyse by an enzyme to give products. Each substrate has an active site on which the enzyme binds to make substrate-enzyme complex.  The enzyme does not involve in the reaction and released as it after changing substrate into product.