G1 phase

From Academic Kids

The title of this article is incorrect because of technical limitations. The correct title is G1 phase.

The G1 phase is a period in the cell cycle during interphase, between mitosis and the S phase. For many cells, this phase is the major period of cell growth during its lifespan. G1 consists of four subphases:

  1. Competence (g1a)
  2. Entry (g1a)
  3. Progression (g1b)
  4. Assembly (g1d)

These subphases may be affected by limiting growth factors, nutrient supply, and additional inhibiting factors.

A cell may pause in the G1 phase before entering the S phase and enter a state of dormancy called the G0 phase. Most mammallian cells do this.

Template:Cellbio-stub

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