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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b

Explanation:

cause enzymes to speed up the reaction.

The answer is A, they accelerate without being used up

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."

in a word, a scientific question is testable. a testable question is one that asks about objects, organisms or events found in the world around it

youre right there are