The G1 phase of the cell cycle is the site of integration of many extracellular growth regulatory signals. Progression through G1 phase is controlled by the G1 phase cyclin-dependent kinases (Cdks ...

The stages of this cycle include: Gap 1 (G1) phase, DNA synthesis (S) phase, gap 2 (G2) phase, and mitosis (M) phase. For each phase, there is a corresponding group of cyclins: G1 cyclins ...

Textbooks will tell you that in dividing cells, production of new DNA peaks during the S-phase, while production of other macromolecules, such as proteins, lipids, and polysaccharides, continues ...