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Which of the following best describes what happens to an enzyme after it catalyzes a chemical reaction?

AIts mass decreases since part of the molecule is used up.
BIt is unchanged and can be used again for the same chemical reaction.
CIt becomes chemically bonded to the products of the reaction.
DIts shape changes, giving it different chemical and physical properties.

I think it is D but i am not sure

Verified Answer :

Leslie1400
BCatalysts are not changed during a chemical reaction.
extensionprenton

Answer:

The correct answer is option B. "It is unchanged and can be used again for the same chemical reaction".

Explanation:

One characteristic of enzymes is that they are reusable. Enzymes are not reactants and are not used in the reaction that they catalyze. Once the enzyme catalyzes a chemical reaction, it remains unchanged and can be used again for the same chemical reaction. Usually, one enzyme can bind onto several substrate molecules and catalyze the same reaction multiple times.

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