Cell cycle & Mitosis

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Name, in order, the stages of the cell cycle
G1, S phase, G2, Mitosis, Cytokinesis
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What happens in prophase?
Chromatin condenses - centrioles migrate in pairs to opposite poles - nuclear envelope & nuclear pores break - chromosomes visible under microscope - mitotic spindle forms at centrioles
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What happens in metaphase?
Mitotic spindle grows further and attaches to centromere of each chromosome - chromosomes arrange themselves at centre of cell
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What happens in anaphase?
Centromere of each chromosome breaks - 2 chromatids migrate to opposite ends of pole
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What happens in telophase?
New nuclear envelopes reform to make 2 nuclei - chromosomes unwind back into chromatin - not visible under microscope
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What happens in cytokinesis?
Cytoplasm of the parent cell divided between 2 daughter cells - cell cycle complete - 2 new daughter cells
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Why is mitosis important?
Forms cells that replace damage or dead ones - ensures that cells are genetically identical - increases cell numbers - cloning
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Card 2

Front

What happens in prophase?

Back

Chromatin condenses - centrioles migrate in pairs to opposite poles - nuclear envelope & nuclear pores break - chromosomes visible under microscope - mitotic spindle forms at centrioles

Card 3

Front

What happens in metaphase?

Back

Preview of the front of card 3

Card 4

Front

What happens in anaphase?

Back

Preview of the front of card 4

Card 5

Front

What happens in telophase?

Back

Preview of the front of card 5
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