Which statement regarding cyclin D is false?
A) It is required for cell cycle progression.
B) It is activated by growth factors.
C) It is always present and its activity is regulated by fluctuating levels of Cdk4 and Cdk6.
D) It is rapidly degraded following removal of appropriate growth factors.

Question

Quizplus · Accepted Answer

Cyclin D levels are not constant, but rather they fluctuate throughout the cell cycle in response to various signals. The activity of cyclin D is regulated by binding to and activating cyclin-dependent kinases 4 and 6 (Cdk4/6).

Which Statement Regarding Cyclin D Is False