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12 Cards in this Set
- Front
- Back
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cells accumulate molecular changes, passes restriction pint, cell is committed to enter s phase
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G1 phase
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chromosomes replicate, 2 copies stay joined as sister chromatids
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S phase
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proteins made for mitosis and cytokinesis, 46 pairs of sister chromatids equaling 92 total
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G2 phase
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2 copies of chromosomes that stay joined together
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sister chromatids
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1 cell nucleus is divided into to 2, followed by cytokinesis in most cases
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M phase
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external and internal factors influence the decision to
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divide
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environment conditions and signaling molecules
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external influences
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cell cycle control molecules and checkpoints
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internal influences
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the reproduction of cells that undergo a highly regulated series of events
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cell division
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2 types of cell division in eukaryotes
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mitosis and meiosis
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field of genetics with a microscopic examination of chromosomes and cell division
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cytogenetics
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reveals number, size, and form of chromosomes in an actively dividing cell
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karyotype
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