The regulation of the cell cycle is through signals mediate

The regulation of the cell cycle is through ____________ signals mediated through ____________.

Select one:

electrical signals .......... the proton-motive force

chemical signals .......... checkpoint molecules

physical signals ........... motor proteins

electrical signals .......... chemiosmosis

chemical signals .......... spindle fibers

Solution

The regulation of the cell cycle is through chemical signals mediated through checkpoint molecules.

(Checkpoints consist of many regulatory proteins that check and determine the progression of the cell through the different stages of the cell cycle.)