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How do baby elephants grow up to be adult elephants? What is happening to their cells?

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Presentation on theme: "How do baby elephants grow up to be adult elephants? What is happening to their cells?"— Presentation transcript:

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2 How do baby elephants grow up to be adult elephants? What is happening to their cells?

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4 4 4 Mitosis

5 5 5 Cell Division: One cell divides into 2 identical (daughter) cells.

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7 Phases of Mitosis http://www.cellsalive.com/mitosis.htm Interphase Prophase Metaphase Anaphase Telophase & Cytokinesis

8  The Cell Cycle

9 Chromosomes (DNA) are copied (# doubles) CELL MEMBRANE Nucleus Cytoplasm

10 Animal Cell Plant Cell Photographs from: http://www.bioweb.uncc.edu/biol1110/Stages.htm

11 Mitosis begins (cell begins to divide) Centrioles Sister chromatids (pairs of identical chromosomes) Spindle fibers

12 Animal Cell Plant Cell Photographs from: http://www.bioweb.uncc.edu/biol1110/Stages.htm Spindle fibers Centrioles

13 Chromatids (or pairs of chromosomes) attach to the spindle fibers. Centrioles Spindle fibers

14 Animal Cell Plant Cell Photographs from: http://www.bioweb.uncc.edu/biol1110/Stages.htm

15 Chromatids (or pairs of chromosomes) separate and begin to move to opposite ends of the cell. Centrioles Spindle fibers

16 Animal Cell Plant Cell Photographs from: http://www.bioweb.uncc.edu/biol1110/Stages.htm

17 Two new nuclei form. Mitosis ends. Nucleus Chromatin

18 Animal Cell Plant Cell Photographs from: http://www.bioweb.uncc.edu/biol1110/Stages.htm

19 Cell membrane moves inward to create two daughter cells – each with its own nucleus with identical chromosomes.

20 Animal Mitosis -- Review Interphase Prophase Metaphase Anaphase Telophase Interphase

21 Plant Mitosis -- Review Interphase Prophase Metaphase Anaphase Telophase Interphase

22 I I nterphase P P rophase M M etaphase A A naphase T T elophase C C ytokinesis IPMATC I Pray M ore At T he Church

23 23 - Cell Division 23

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25 http://www.cellsalive.com/mitosis.htm


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