Which of the following is a protein maintained at constant levels throughout the cell cycle that requires cyclin to become catalytically active?
A) PDGF
B) MPF
C) protein kinase
D) cyclin
E) Cdk

Question

Quizplus · Accepted Answer

Cdk (cyclin-dependent kinases) are proteins that are maintained at constant levels throughout the cell cycle and require binding to cyclins to become catalytically active.

Which of the Following Is a Protein Maintained at Constant