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what  is  cell  cycle?

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what  is  cell  cycle?

  • 2 answers

Amrita Ganguly 8 years, 11 months ago

The cell cycle or cell-division cycle is the series of events that take place in a cell leading to its division and duplication of its DNA (DNA replication) to produce two daughter cells. The series of steps take place as given below:

<th>State</th> <th>Description</th> <th>Abbreviation</th> <tfoot> </tfoot>
:
Resting phase Gap 0 G0 A resting phase where the cell has left the cycle and has stopped dividing.Cell cycle starts with this phase.
Interphase Gap 1 G1 Cells increase in size in Gap 1. The <i>G1 checkpoint</i> control mechanism ensures that everything is ready for DNA synthesis.
Synthesis S DNA replication occurs during this phase.
Gap 2 G2 During the gap between DNA synthesis and mitosis, the cell will continue to grow. The <i>G2 checkpoint</i> control mechanism ensures that everything is ready to enter the M (mitosis) phase and divide.
Cell division Mitosis M Cell growth stops at this stage and cellular energy is focused on the orderly division into two daughter cells.

Rajendra Singh 9 years, 1 month ago

The cycle of events in which cell passes during cell division is called cell cycle. it consits of different passes such as S-phase, G-phase and M-phase.

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