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  • Plant Cell Cytokinesis: Understanding Cell Plate Formation After Telophase
    In plant cells, instead of the cytoplasm pinching in like it does in animal cells during cytokinesis, a cell plate forms. This is because plant cells have a rigid cell wall that prevents the cytoplasm from constricting.

    Here's how it works:

    1. Vesicles from the Golgi apparatus move to the center of the dividing cell, where they line up along the equator of the former spindle fibers.

    2. These vesicles fuse together, forming a membrane-bound compartment called the cell plate.

    3. Cell wall material (cellulose) is deposited between the membranes of the cell plate, forming a new cell wall that divides the two daughter cells.

    4. The cell plate continues to grow outwards until it eventually fuses with the existing cell walls of the parent cell.

    This process effectively separates the two new daughter cells and creates new cell walls for each.

    In summary, instead of cytoplasmic cleavage, plant cells form a cell plate during cytokinesis. This process allows for the creation of a new cell wall between the daughter cells, essential for the structural integrity of plant tissues.

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