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30 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Cells double in size (grow to adult size)
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G1 (Gap One...grow up time)
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Most parts duplicate
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G1 (Gap One...grow up time)
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first checkpoint or restriction point
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G1 (Gap One...grow up time)
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Each chromosome replicates its DNA
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S(ynthesis)
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The copy and original stay hooked together at the centromere
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S(ynthesis)
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Each copy is a sister chromatid
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S(ynthesis)
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protein kinetochore belt wrapped around their centromeres
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S(ynthesis)
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the centriole pair replicates
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G2-Gap Two
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lots of tubulin protein made (used to make microtubules)
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G2-Gap Two
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enzyme needed for mitosis are produced
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G2-Gap Two
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Second checkpoint
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G2-Gap Two
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longest of the 4 phases
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Prophase
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duplicated chromosomes condense (become visible)
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Prophase
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nucleolus disappears
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Prophase
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centriole pairs are in the middle of centrosome
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Prophase
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centrosomes move apart from each other forming spindle fibers between them
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Prophase
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aster fibers sprout around the centrosomes
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Prophase
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Most karyotypes are made here (best time to view)
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Metaphase (including Prometaphase)
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Nuclear membrane breaks down (becomes ER)
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Metaphase (including Prometaphase)
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Kinetochores attach to short fibers coming out from the centrosomes
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Metaphase (including Prometaphase)
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duplicated chromosomes move to the spindle equator
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Metaphase (including Prometaphase)
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Shortest of the four mitotic phases
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Anaphase
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duplicated chromosome splits at centromere
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Anaphase
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each chromatid is now called its own chromosome
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Anaphase
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non kinetochore-microtubules stretch the cell into egg shape
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Anaphase
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long get longer
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kinetochore microtubules pull the chromosomes to the poles of the cell
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Anaphase
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short get shorter
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spindle fibers break apart
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Telophase
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chromosomes uncondense (relax)
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Telophase
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nucleoli reappear
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Telophase
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nuclear membrane forms around the chromosomes
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Telophase
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