sdvsdfvdsf Flashcards
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Chapter 10: The Cell Cycle and Mitosis
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Key Topics:
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4
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Chromosome vs. Chromatin vs. Gene vs. Trait
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Chromatin = uncondensed DNA
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chromosomes = condensed
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8
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Genes = DNA segments coding for proteins; traits = expressed characteristics
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10
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Haploid vs. Diploid
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12
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Haploid (n): one set of chromosomes (gametes)
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14
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Diploid (2n): two sets (somatic cells)
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15
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16
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Why Cells Divide:
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17
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18
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Growth
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repair
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20
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Interphase (G1
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S
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22
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G1: growth
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S: DNA replication
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G2: prep for division
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G0: non-dividing state
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Mitosis Stages: PMAT
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Prophase
Metaphase
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Cytokinesis:
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Animals: cleavage furrow
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Plants: cell plate
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Cell Cycle Control
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Checkpoints (G1
G2
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Cyclins/CDKs
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Cancer = Uncontrolled Cell Growth
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Differentiation:
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Process of cells becoming specialized in structure/function
