Cyclins modulate the progression of cells through the cell cycle by
A)directly activating G proteins.
B)increasing the production of DNA polymerases.
C)inducing synthesis of constitutively active forms of growth cell receptors.
D)activating protein kinases that are critical regulators of cell division.
E)degrading histones.

Question

Quizplus · Accepted Answer

Cyclins activate cyclin-dependent kinases (CDKs), which are crucial for regulating the cell cycle progression by phosphorylating target proteins involved in cell division.

Cyclins Modulate the Progression of Cells Through the Cell Cycle