, which then die. In plant cells, a dividing structure known as the cell plate forms across the centre of the cytoplasm and a new cell wall forms between the two daughter cells. Cytokinesis is the division of cytoplasm. Cytokinesis is distinguished from the prokaryotic process of binary fission. Animal cell cytokinesis Contractile ring positioning During different proliferative divisions, animal cell cytokinesis begins shortly after the onset of sister chromatid separation in the anaphase of… (More on Cytokinesis)