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CYTOKINESIS • • • • CYTOKINESIS - Cytoplasm splits into 2 cells or Cleavage of cell into two halves Animal cells - Constriction belt of actin filaments Plant cells - Cell plate Fungi and protists - Mitosis occurs within the nucleus ANIMAL CELLS • -Animal cells: Cleavage furrow forms from outside in. PLANT CELLS • -Plant cells: Division plate forms from inside out. Cytokinesis In Animal And Plant Cells 100 µm Cleavage furrow Contractile ring of microfilaments Vesicles forming cell plate Wall of patent cell 1 µm Cell plate New cell wall Daughter cells Daughter cells (a) Cleavage of an animal cell (SEM) (b) Cell plate formation in a plant cell (SEM) ANIMAL VS. PLANT MITOSIS ANIMAL CELL Centriole and aster present Daughter cells separated by cleavage furrow PLANT CELL No visible centriole or aster Daughter cells separated by cell plate