Which of the following is a protein maintained at constant levels throughout the cell cycle that requires cyclin to become catalytically active?

Which of the following is a protein maintained at constant levels throughout the cell cycle that requires cyclin to become catalytically active?

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



Answer: E