Cell cycle and cell division

Август 12, 2022

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Cell cycle and cell division

Содержание

2. Cell cycle and cell division
3. Cell cycle and cell division
4. The Cell Cycle Interphase(90%) of cycle) G1phase growth S phase synthesis of DNA (Replication) G2 phase
5. MITOTIC phase Mitosis nuclear division Cytokinesis cytoplasm division
6. Cell cycle and Mitosis
7. The cell cycle and cell division key concept Through the cell cycle organisms grow , develop,
8. What is mitosis Mitosis: cell division involving in somatic cells Involves only diploid cell Form of
9. Mitosis Im mitosis we have 4 phases Prophase Metaphase Anaphase telophase
10. Prophase
11. Prophase Nucleus start to disappear Chromatin coils become chromosomes Centrioles appear and begin to move to
12. Metaphase
13. Metaphase Second stage of cell division Between prophase and anaphase Chromosomes become attached to the spindle
14. Anaphase
15. Anaphase Chromosomes breaks at centromeres and sister chromatids moves to the opposite end of the cell
16. Telophase
17. Telophase Final phase of cell division Between anaphase and interphase Chromatids or chromosomes move to opposite
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Cell cycle and cell division

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Cell cycle and cell division

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The Cell Cycle
Interphase(90%) of cycle)
G1phase growth
S phase synthesis of DNA
(Replication)
G2

phase preparation for cell division

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MITOTIC phase
Mitosis nuclear division
Cytokinesis cytoplasm division

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Cell cycle and Mitosis

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The cell cycle and cell division key concept
Through the cell cycle organisms

grow , develop, replace old or damaged cell and produce new cells
Before mitosis begin there inphase known as interphase
Interphase is longest part of cell cycle
Interphase gets the cell ready to divide

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What is mitosis
Mitosis: cell division involving in somatic cells
Involves

only diploid cell
Form of asexual reproduction for some life +bacteria, protista, fungai)
End results: two genetical identical daughter cells

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Mitosis
Im mitosis we have 4 phases Prophase
Metaphase
Anaphase
telophase

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Prophase

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Prophase
Nucleus start to disappear
Chromatin coils become chromosomes
Centrioles appear and begin to

move to opposite end of cells
Spindle fibers form between the pole

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Metaphase

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Metaphase
Second stage of cell division
Between prophase and anaphase
Chromosomes become attached to

the spindle fibers

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Anaphase

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Anaphase
Chromosomes breaks at centromeres and sister chromatids moves to the opposite

end of the cell

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Telophase

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Telophase
Final phase of cell division
Between anaphase and interphase
Chromatids or chromosomes move

to opposite end of the cell
Two nuclei are formed