The decline of MPF activity at the end of mitosis is due to
A) the destruction of the protein kinase Cdk.
B) decreased synthesis of Cdk.
C) the degradation of cyclin.
D) the accumulation of cyclin.
E) synthesis of DNA.

Question

Quizplus · Accepted Answer

MPF activity is due to the presence of cyclin and Cdk (cyclin-dependent kinase). At the end of mitosis, cyclin is degraded, leading to the decline of MPF activity.

The Decline of MPF Activity at the End of Mitosis