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In cells, _____ are proteins that are needed to lower the amout of energy required to start chemical reactions.

a. acids
b. enzymes
c. products
d. substrates

User Drauka
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2 Answers

2 votes
Yes the other person is correct it's B. Enzymes
User Arslan Tabassum
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4 votes
The answer is B. enzymes. Enzymes are a substance produced my living organisms that act like a catalyst to bring specific chemical reactions.

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User AbhinayMe
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