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Question:
Why are enzymes so important in living cells?



Replies:
Enzymes are important because they act as biological catalysts. This means that they bring molecules together in such a way that they can react. All of the reactions that they catalyze are chemically possible (at least in theory) even in the absence of enzymes. However, in the absence of enzymes, these reactions could not occur fast enough to support life.

-BrianS



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