Growth factors that are transported through the blood play what role in the cell cycle?

A) an internal signal that tells the cell to stop dividing and repair its DNA
B) an internal signal that functions as an executioner
C) an internal signal to tell the cell which stage of the cell cycle to enter next
D) an external signal to tell the cell how long it should spend in each phase of the cell cycle
E) an external signal to tell the cell whether or not to divide

Question

Glory Grace · Accepted Answer

Final Answer : E, Explanation :  Growth factors that are transported through the blood act as external signals to tell the cell whether or not to divide. They can promote cell division by triggering the cell to enter the cell cycle and progress through it.

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