AP Biology Quiz
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CELL COMMUNICATION AND CELL CYCLE
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A mitotic cell is observed with condensed chromosomes and a fully formed spindle. All kinetochores are attached, but a chemical is added that prevents separase from cleaving cohesin. The chromosomes align at the metaphase plate and remain there, and DNA content stays at the G2/M level. The cell does not show chromatid movement toward poles. Which event is most directly blocked by the chemical treatment?
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