Proteins that are involved in the regulation of the cell cycle, and that show fluctuations in concentration during the cell cycle, are called
A)ATPases.
B)kinetochores.
C)centrioles.
D)proton pumps.
E)cyclins.

Question

Quizplus · Accepted Answer

Proteins that show fluctuations in concentration during the cell cycle and are involved in the regulation of the cell cycle are called cyclins. Cyclins bind to and activate specific cyclin-dependent kinases (CDKs), which then promote specific events in the cell cycle.

Proteins That Are Involved in the Regulation of the Cell