Cyclins Modulate the Progression of Cells Through the Cell Cycle

Multiple Choice

Cyclins modulate the progression of cells through the cell cycle by

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