Cell cycle

Cell cycle
The sequence of events within the cell between cell divisions. The cell cycle is conventionally divided into the following phases: {{}}G0 (G zero, the G standing for gap) G1, (G one, the first gap) S (synthesis phase during which the DNA is synthesized, replicated) G2 (G two, the second gap) M (standing for mitosis, cell division). Cells that are not destined to divide again are considered to be in G0. The transition from G0 to G1 is thought to commit the cell to completing the cell cycle and dividing.

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cell cycle n the complete series of events from one cell division to the next see G1 PHASE, G2 PHASE, M PHASE, S PHASE

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the cycle of biochemical and morphological events occurring in a reproducing cell population, divided into several phases: G1 (with its subtype G0>), the longest and most variable phase; S, during which DNA is synthesized; G2>, during which the accuracy of DNA replication is checked; and M, consisting of the four phases of mitosis and followed by the return of the cell to the G1 phase.

Medical dictionary. 2011.

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