Question

Which explanation best explains the role of enzymes as catalysts in living systems?

A.
Enzymes accelerate chemical reactions without getting used up in the process.
B.
Enzymes accelerate chemical reactions by getting used up in the process.
C.
Enzymes decelerate chemical reactions by getting used up in the process.
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Answer 1

The answer is A, they accelerate without being used up

Step-by-step explanation:

"Enzymes aren't changed or used up in the reactions they catalyze, so they can be used to speed up the same reaction over and over again."

Answer 2

b

Step-by-step explanation:

cause enzymes to speed up the reaction.