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Mitosis

Mitosis. http://genetics.gsk.com/graphics/mitosis-big.gif. Mitosis. Nucleus divides to form two nuclei. Spindles = cell structures made up of both centrioles and individual microtubule fibers that move the chromosomes. Cell Cycle. Interphase Prophase Metaphase Anaphase Telophase

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Mitosis

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  1. Mitosis http://genetics.gsk.com/graphics/mitosis-big.gif

  2. Mitosis • Nucleus divides to form two nuclei. • Spindles = cell structures made up of both centrioles and individual microtubule fibers that move the chromosomes

  3. Cell Cycle • Interphase • Prophase • Metaphase • Anaphase • Telophase • Cytokinesis

  4. Prophase • Chromosomes become visible • Nuclear membrane dissolves • Spindle forms

  5. Metaphase • Chromosomes line up along equator • Spindles link the chromatids of each chromosome to opposite poles.

  6. Anaphase • Centromere divides. • Chromatids move toward opposite poles. • The chromatids are now called chromosomes.

  7. Telophase • Nuclear membrane forms at each pole. • Chromosomes uncoil. • Spindle dissolves. • Cytokinesis begins.

  8. Cytokinesis • Cell membrane is pinched in half by a belt of protein threads. • The cytoplasm is divided in half. • The cell membrane grows to enclose each cell, forming two separate cells.

  9. and cytokinesis http://www.dartmouth.edu/~cbbc/courses/bio4/bio4-1997/images/mitosis.JPG

  10. http://people.cornell.edu/pages/bw28/mitosis.jpg

  11. www.cellsalive.com

  12. http://www.youtube.com/watch?v=CzPGhYiGyZ8 • http://www.youtube.com/watch?v=VlN7K1-9QB0 • http://www.youtube.com/watch?v=s1ylUTbXyWU

  13. Body Cell vs. Sex Cell Division http://post.queensu.ca/~forsdyke/images/darwin04.gif

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