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  • Mitosis
    • Prophase
      • nucleus/nuclear membrane
      • After replication, the chromosomes coil up, contract and become visible
      • Therefore 2 chromotids joined at the centromere
    • Metaphase
      • Nuclear membrane breaks down
      • Spindle forms across the cell, formed of microtubules. The cytoskeleton controls this
      • Chromosomes attach to the spindle fibres in the middle of the cell
    • Anaphase
      • The centromeres split and each chromosome separate
      • They move along to opposite ends of the cell
    • Telephase
      • Chromotids join together at ends of cell
      • Nuclear membrane develops
    • Cytokinesis
      • New cell membrane develops
      • Chromosomes uncoil
    • Plant cells do not have centioles but they do form a spindle
    • Chromotid -single chromosome
    • Cells need to divide copy all the DNA in each exactly into the daughter cells. Each all then has a period of producing the proteins needed. Before each daughter cell then undergo mitosis again. This is called the cell cycle
    • Plant cells do not furrow during cytokinesis, they form a rigid plate in the centre of the cell where a new cell wall forms


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