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Cell Cycle

Cell Cycle. Events that occur from when a cell is made until it has divided into 2 new cells. Mitosis Nucleus splits. Interphase Growth, synthesis, DNA replication. Cytokinesis Cytoplasm splits into 2 cells. Chromatids.

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Cell Cycle

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  1. Cell Cycle Events that occur from when a cell is made until it has divided into 2 new cells. Mitosis Nucleus splits Interphase Growth, synthesis, DNA replication Cytokinesis Cytoplasm splits into 2 cells

  2. Chromatids REMIND ABOUT TERM CHROMATID = when chromosomes replicated and joined by centromere

  3. Mitosis video Click here for video

  4. Mitosis 4 Phases:- Prophase Metaphase Anaphase Telophase

  5. Prophase • Chromatids condense (shorter and thicker) • Nuclear membrane disintegrates • Centrioles separate • Spindle starts to form from centrioles

  6. Metaphase • Spindle has been formed • Chromatids attach to spindle by centromere • Chromatid pairs line up, in single file, along equator of cell

  7. Anaphase • Centromeres split into 2 • Spindle fibres shorted to pull chromosomes to poles • Chromosomes pulled towards pole, centromere first

  8. Telophase • Spindle disintegrates • Nuclear membrane reforms (cell has 2 nuclei)

  9. Key Words • Chromatid - prophase • Centromere - metaphase • Spinde fibres - anaphase • Equator - telophase • Nuclear envelope • poles

  10. Mitosis

  11. Mitosis

  12. Interphase Prophase Metaphase Anaphase Telophase 1

  13. Interphase Prophase Metaphase Anaphase Telophase 2

  14. Interphase Prophase Metaphase Anaphase Telophase 3

  15. Interphase Prophase Metaphase Anaphase Telophase 4

  16. Interphase Prophase Metaphase Anaphase Telophase 5

  17. Interphase Prophase Metaphase Anaphase Telophase 6

  18. Interphase Prophase Metaphase Anaphase Telophase 7

  19. Answers

  20. Interphase Prophase Metaphase Anaphase Telophase 1

  21. Interphase Prophase Metaphase Anaphase Telophase 2

  22. Interphase Prophase Metaphase Anaphase Telophase 3

  23. Interphase Prophase Metaphase Anaphase Telophase 4

  24. Interphase Prophase Metaphase Anaphase Telophase 5

  25. Interphase Prophase Metaphase Anaphase Telophase 6

  26. Interphase Prophase Metaphase Anaphase Telophase 7

  27. Cell division – label as many things as possible

  28. Task Write a poem following the rules below. Your first word is “MITOSIS” One word for the idea e.g. school Two words to explain the meaning of the idea e.g. learn things Three words to describe what the idea does e.g. educate and train Four words to explain what the idea means to you e.g. interesting and fun activities One final word for the idea e.g. education

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