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castortr0y [4]
3 years ago
8

All living things are composed of cells. the work of cells is done by _____

Biology
1 answer:
EleoNora [17]3 years ago
8 0
Enzymes. It's what make all the chemical reactions in the cell possible.
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D. N

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A scientist is comparing the outer structure of an onion cell, structure X, to the outer structure of a human skin cell, structu
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