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Transcript
Interphase
The 3 Parts of
the Cell Cycle :
*Interphase
*Mitosis
*Cytokinesis
*Cell grows to mature size
*Makes copy of DNA -this is
called DNA Replication
Chromatin
Prophase
Sp ind le Fib ers
Centromere
*Chromatin condenses to
form chromosomes
*Spindle fibers form a bridge
between the ends of the cell
*the nuclear membrane
breaks down.
Chromosomes
Metaphase
Centromere
Spindle Fibers
*Chromosomes line up across
the middle of the cell.
*Each chromosome attaches
to a spindle fiber at its
centromere.
Anaphase
*the centromeres split and
the 2 chromatids separate.
*the chromatids move along
the spindle fibers to opposite
ends of the cell.
* the cell is stretched out as
the opposite ends pull apart.
Chromatids
Telophase
*Two new nuclei form
* Chromosomes appear as
chromatin (threads rather
than rods.
* Mitosis ends
Chromatin
Cytokinesis
* Cell membrane moves inward
to create 2 daughter cells
* each of the daughter cells has
its own nucleus and identical
chromosomes