First mitosis phase {prophase, mitosis} doubles chromosomes. Chromosomes condense, and human chromosomes have 350 to 550 bands. RNA-containing spindle-pole body centrosomes separate to cell sides. Microtubules form between centrosomes. Chromosome kinetochores attach to microtubules.
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4-Cell-Cell Cycle-Mitosis-Phases
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Date Modified: 2022.0224