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  • Plant vs. Animal Cell Mitosis: Key Differences in Cytokinesis
    The key difference in mitosis between plant and animal cells occurs during cytokinesis, the final stage of cell division.

    Here's how it differs:

    * Animal cells: Cytokinesis involves a cleavage furrow, which forms from a contractile ring of microfilaments. This furrow pinches inward, eventually dividing the cell into two daughter cells.

    * Plant cells: Plant cells lack centrioles and don't form a cleavage furrow. Instead, they form a cell plate in the middle of the dividing cell. The cell plate originates from Golgi-derived vesicles containing cell wall material. These vesicles fuse together, creating a new cell wall that separates the two daughter cells. This cell wall eventually merges with the existing cell wall.

    So, the difference is in the mechanism of cell division:

    * Animal cells use a contractile ring to pinch the cell in two.

    * Plant cells use a cell plate that grows outwards to separate the cells.

    The other stages of mitosis (prophase, metaphase, anaphase, and telophase) are generally similar in both plant and animal cells.

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