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2.6.1 The Cell Cycle (Interphase (G₁ Phase (G₁ checkpoint control…
2.6.1 The Cell Cycle
Interphase
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S Phase
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when all chromosomes duplicates, each one consists of pair of identical sister chromarids
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G₂ Phase
special chemicals ensure cell is ready for mitosis by stimulating proteins that will be involved in making chromosomes condense and in formation of spindle
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Checkpoints
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ensure DNA is only duplicated once during each cell cycle; daughter cell has right amount of chromosomes
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Significance of Mitosis
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asexual reproduction (plants, aphids, fungi)
Cytokinesis
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plant cell: end plate forms where equator of spindle was and new plasma membrane and cell wall laid down on either side of cell plate
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