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Cell Cycle: Mitosis
Basic Mitosis Vocabulary
Sister Chromatids:
Duplicated chromosome;
Really one chromosome;
Centromere:
structure that hold sister
chromatids together
Sophisticated Vocabulary
• Centrosome: called the microtubule-organizing
center; houses a pair of centrioles
• Centriole: structure that makes the microtubules
for the spindles
• Spindles: made of tubulin
• Kinetchore: structure on the chromatids that
connect the spindle with the chromatid
• Aster: structure that has short microtubles
extending from it
Animal Cells Only on this slide
Aster
The Dividing Genetic Material
The Chromosome?
Put all the picture words together
This is one of the
poles of the cell
This is the metaphase plate
Mitosis: Forms two new daughter cells
What is the chromosome # for this dividing cell?
How did you determine your answer?
Prophase
Late Prophase
Metaphase
Anaphase
Telophase
Late Telophase
Cytokinesis: division of the
cytoplasm into two individual cells
Animal Cell
Furrowing is the pinching
in of the cell membrane
Plant Cell
Cell Plate forms across
middle of cell and grows
outward
Animal vs. Plant Cell Mitosis
• Cytokinesis occurs differently in each
• Only animal cells have
– Centrosomes
– Centrioles