Here's how it works:
1. Cytokinesis: After the nucleus divides (mitosis), the cytoplasm begins to divide. This process is called cytokinesis.
2. Cell Plate Formation: In plant cells, a cell plate forms between the two daughter nuclei. This plate originates from the Golgi apparatus, which produces vesicles containing cell wall material (cellulose, pectin, etc.).
3. Vesicle Fusion: These vesicles move to the center of the dividing cell and fuse together, forming the cell plate.
4. Cell Wall Expansion: The cell plate grows outwards, eventually connecting with the existing cell walls of the parent cell.
5. Two Daughter Cells: The cell plate now separates the two daughter cells, each with its own complete cell wall.
The cell plate is a unique feature of plant cell division and plays a crucial role in maintaining the structural integrity of plant tissues.