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Mitosis

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by

Macie Glasgow

on 7 November 2013

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Transcript of Mitosis

Mitosis
Mitosis is the division of a cell's nucleus.
What is Mitosis?
Prophase
Chromatin condenses
Nucleolus disappears
Duplicated chromosomes appear as sister chromatids
Mitotic spindle forms
Centrosomes move away from each other
Nuclear envelope disappears
Chromatids get kinetochores that attach to the centromeres
Spindle fibers attach to kinetochores.
Prometaphase
Longest stage of mitosis
Chromatids line up on equatorial plate.
Metaphase
Shortest stage of mitosis
Spindle fibers pull sister chromatids apart.
Daughter chromatids move to opposite poles.
Cell stretches and elongates.
Anaphase
Two daughter nuclei form
Nuclear envelopes form around the nuclei
Chromosomes get less condensed
Nucleoli appear in the nuclei of the cell again.
Cleavage furrow appears as cell stretches
Telophase
SEPARATE from mitosis
Division of organelles
Two identical daughter cells
Cytokinesis
Sara Feld, Macie Glasgow,
Margaret Scalise, Kayla Young
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