When myoblasts in cell culture are treated with purified "proteinX", they increase in size and then divide. What type of signal

Question

When myoblasts in cell culture are treated with purified "proteinX", they increase in size and then divide. What type of signal is proteinX?
Growth factor
Survival factor
O Mitogen
Mitogen and growth factor
Myostatin

Kunduz · Accepted Answer

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