The initiation of the S phase of the cell cycle depends on the functional activity of a pair of molecules called _______ and _______.
A) actin;myosin
B) CDKs;cyclin
C) ligand;receptor
D) MSH;MSH-receptor
E) ATP;ATPase

Question

Quizplus · Accepted Answer

The initiation of the S phase depends on the functional activity of cyclin-dependent kinases (CDKs) and cyclins. More specifically, the activation of CDKs by their binding to specific cyclins is required for the initiation of DNA synthesis in the S phase of the cell cycle.

The Initiation of the S Phase of the Cell Cycle