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

Question

Quizplus · Accepted Answer

Cyclins are proteins that regulate the cell cycle by fluctuating in concentration at different stages, ensuring that cell division processes occur in the correct sequence and at the proper rate.

Proteins That Are Involved in the Regulation of the Cell