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Mitosis unfolds through a sequence of stages marked by specific events in the cell. The structural changes in the cell are brought about by a series of tightly coordinated underlying mechanisms.

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Answer:

prophase: cohesions join sister chromatids of duplicated chromosomes, tubulins assemble into spindle microtubules

prometaphase: microtubules attach to kinetochores

metaphase: kinetochores are motionless in relation to poles of cell

anaphase: cohesions break down, kinetochores move toward poles of cell

telophase: spindle microtubules disassemble

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