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natka813 [3]
3 years ago
5

One of a group of external regulatory proteins that stimulates the growth and division of cells is

Biology
1 answer:
Schach [20]3 years ago
4 0

Answer:

Cyclin-regulates the timing of the cell cycle. Normally, when cells touch, they stop growing. Growth factors-one of a group of external regulatory proteins that stimulate the growth and division of cells.

Explanation:

I hope it's help u

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