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SIZIF [17.4K]
4 years ago
9

Please help!!!!!!!!!

Biology
2 answers:
zhuklara [117]4 years ago
6 0

Answer:

Explanation:

enzymes i think

geniusboy [140]4 years ago
6 0

Answer:

B

Explanation:

enzymes

Cells regulate chemical reactions through the use of proteins called enzymes, which are biological catalysts that help overcome activation 

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