The Cell Cycle and Mitosis Eis (3 of 3): Comparing Cell Division in Animals, Plants, and Bacteria (BioFlix tutorial) Reset Help Statement Bacteria Animals Plants 1. Cells divide by constriction of a ring of protein. true false 2. The presence of a cell wall prevents the cell from dividing by constriction 3. Tubulin or tubulin-like molecules function in binary fission (in bacteria) or cytokinesis (in animals and plants).