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30 Cards in this Set

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