The Z-Ring is a structure found in the cells of plants and some algae, playing a crucial role in cell division. It is part of the process called cytokinesis, where the cell divides into two daughter cells. The Z-Ring is primarily composed of a protein called FtsZ, which forms a ring at the future division site, guiding the formation of the cell wall. During cell division, the Z-Ring contracts, helping to pinch the cell membrane and ultimately separate the two new cells. This mechanism is essential for proper growth and reproduction in eukaryotic organisms, ensuring that genetic material is evenly distributed.