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Cell Division: Mitosis

Cell Division: Mitosis. Objective:. Understand the purpose of mitosis Understand the process of mitosis Explain the sequence and events of each phase. Review:. What are the two types of cells?. Eukaryotic. Prokaryotic. What are prokaryotic cells?. Simple cells

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Cell Division: Mitosis

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  1. Cell Division:Mitosis

  2. Objective: • Understand the purpose of mitosis • Understand the process of mitosis • Explain the sequence and events of each phase

  3. Review:

  4. What are the two types of cells? • Eukaryotic • Prokaryotic

  5. What are prokaryotic cells? • Simple cells • Few internal structures • No membrane bound organelles • One-celled organisms, Bacteria

  6. Examples of prokaryotic cell: Bacteria Cells

  7. What are eukaryotic cells? • Cells that contain organelles surrounded by membranes • Most living organisms

  8. Examples of eukaryotic cells: Plant Cells Animal Cells Human Cells Human Cells

  9. Plant Cell (Tomato) Animal Cell (tiger)

  10. How do prokaryotic cells divide? • Binary Fission • (A fancy name that scientists use to impress their girlfriends or boyfriends. A process where one prokaryotic cell becomes two.)

  11. How do eukaryotic cells divide? • Mitosis!

  12. What is mitosis? • (How eukaryotic cells divide.) • A continuous process of four phases that results in the division of the nucleus. Making more cells!

  13. Why do we care? • Once upon a time we were all one little cell. • Because of mitosis we are now made of trillions of cells. • This applies to animals too!

  14. Made possible, in part by:MITOSIS

  15. Made possible, in part by:MITOSIS

  16. Made possible, in part by:MITOSIS

  17. You get the idea…

  18. The Phases of Mitosis

  19. The 4 Phases of Mitosis: • Prophase • Metaphase • Anaphase • Telophase

  20. What about Interphase? • Interphase is the resting period between cell division.

  21. Why do we study diagramsfirst? • Easy to identify structures • Clear • Simple

  22. Why do should we view microscopicimages also? • To see the real deal! • To reveal greater complexities.

  23. Interphase diagram microscopic image

  24. Are the cells really pink and purple? • Nope, they are stained so that we can see the organelles better.

  25. Prophase diagram microscopic image

  26. Metaphase diagram microscopic image

  27. Anaphase diagram microscopic image

  28. Telophase diagram microscopic image

  29. They all look like blobs… how can we tell them apart?

  30. What’s happening in each phase?

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