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CLASS- 11 BIOLOGY, , CELL CYCLE & CELL DIVISION, PREPARED BY, , , Mr. Evenejer Solu, P.G.T., Biology,, , St. Mary’s Sr. Sec. School, Sagar (M.P.)

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DEFINITION Psorsit, “ The cell cycle can be defined as a sequence of, events by which a cell duplicates it's genom,, synthesises the other constituents of the cell and, eventually divided into two daughter cells.”, , Cell cycle involves cell growth and cell division.

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Figure 10.1 A diagrammatic view of cell cycle, indicating formation of two cells, from one cell, , The Cell cycle contains two sub phases/stages as> Interphase, > M-Phase (Mitotic phase)

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0 ‘Solu Sir’, , Interphase, It is the phase which is present or exist between the end of cell division, and the beginning of another cell division., , Previously it is misquoted as a resting stage but the modern scientific, studies suggested that interphase is the preparation stage of a cell for, next cell division.

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0 ‘Solu Sir’, , Interphase, The interphase is further classified into these following stages1. G, Phase or Growth-| Phase, , 2. S-Phase or Sythesis Phase, , 3. G, Phase or Growth-Il Phase