___________ are a type of internal signal molecule used in controlling the cell cycle.
A) Kinases
B) Histones
C) Centromeres
D) Actins
E) Nucleosomes

Question

Quizplus · Accepted Answer

Kinases are enzymes that add phosphate groups to other molecules, including other proteins involved in the cell cycle. This phosphorylation activates or deactivates these proteins and helps to control the progression of the cell cycle.

___________ Are a Type of Internal Signal Molecule Used in Controlling