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PROPHASE METAPHASE ANAPHASE TELOPHASE
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Chromosomes condense and nucleoli disappear Each duplicated chromosome becomes visible as distinct sister chromatids Mitotic spindle begins to form in the cytoplasm Mitotic spindle The nuclear envelope breaks down and the centrosomes move toward the poles of the cell Mitotic spindle attaches to a specialized structure called the kinetochore kinetochore
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Chromosomes convene on the metaphase plate
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Sister chromatids separate and move toward opposites poles of the cell by the spindle As this happens the cell begins to elongate toward the poles
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Cell continues to elongate throughout the phase The mitotic spindle breaks down Nuclear envelope forms at each end of the cell Chromosomes inside begin to unfold into chromatin
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http://img.sparknotes.com/figures/D/d756b 5b73abe2974f3521a828791899f/prophase.gif http://img.sparknotes.com/figures/D/d756b 5b73abe2974f3521a828791899f/prophase.gif http://washington.uwc.edu/about/faculty/s chaefer_w/MitosisPage.htm http://washington.uwc.edu/about/faculty/s chaefer_w/MitosisPage.htm http://www.brooklyn.cuny.edu/bc/ahp/LAD/ C9/graphics/C9_Metaphase.GIF http://www.brooklyn.cuny.edu/bc/ahp/LAD/ C9/graphics/C9_Metaphase.GIF www.jcu.edu.au/cgc/DictCellBiol.html www.jcu.edu.au/cgc/DictCellBiol.html www.mhhe.com/biosci/pae/glossaryk.html www.mhhe.com/biosci/pae/glossaryk.html
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Mitotic Spindle- A network of microtubules formed during mitosis. These microtubules attach to the centromeres of the chromosomes and help draw the chromosomes. Kinetochore- A disc of proteins located on the centromere, specialized to interact with the spindle fibers during mitosis.
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