Interphase: Period of growth , DNA replication takes place, Preparation for division, Prophase: Nuclear envelope breaks down, Nucleolus disappears, Chromatin condense into chromosomes, Spindle fibers begin to form, centrioles move towards opposite ends of the cell, , Metaphase: Chromosomes are lined up across the middle of the cell, spindle fibers attach to the centromere, , Anaphase: sister chromatids are pulled away from each other, , Telophase: Spindle fibers fall apart, Nucleolus reappears, Nuclear envelope reappears, chromosomes relax into chromatin, ,

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