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Lecture 5

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Department
Biology
Course
Biology 1001A
Professor
Dr.Mike
Semester
Fall

Description
58 chromosome  G = do2ble the number of CHROMATIDS Amount of DNA increases during S phase, chromosome number does not Prometaphase: microtubules invade the fragmented nucleus (kinetochores) [one to either side] Meatphase: chromosoomes align at central plate. (cell cycle checkpoint)- will not proceed unless all chromosomes are attached to the microtubules Anaphase: chromatids separate to opposite pools.(disintegration of microtubules-motor proteins) Telophase and Cytokinesis: Spindles are attached Pulling chromatids to opposite poles Spindles attach to each other and push against each other (pushing; pushing poles apart/pulling: chromatids away from each other) No pairing in mitosis: meiosi
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