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13 Cards in this Set
- Front
- Back
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Crossing over |
Process where non-sister chromatids exchange genetic material |
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Prophase |
Chromosomes condense, spindle begins to form |
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Metaphase |
Chromosomes line up at cell's midline |
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Anaphase |
Sister chromatids separate, spindle fibers pull chromosomes to opposite poles |
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Telophase |
Nuclear envelope reforms around chromosomes |
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Cytokenesis |
Cleavage forms (animals) Cell plate forms (plants) |
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Helicase |
Enzyme thats catalyzes the breaking of hydrogen bonds between DNA strands to separate them |
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Topoisomerase |
Cuts & rejoins the DNA downstream of the replication fork, relieves tension |
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Primase |
Serves as a primer for DNA synthesis (supplies the free 3'-hydroxyl group for the addition of the first nucleotide) |
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Leading strand synthesis |
5' ➡️ 3' |
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Lagging strand synthesis |
3' ➡️ 5' |
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Okazaki fragments |
Short discontinuous fragments |
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Replisome |
Multi-protein complex of DNA replication (2 DNA polymerase) |
