Consistent with this model, degradation of CKI ... view of irreversible transitions in the cell cycle is the separation of sister chromatids at anaphase, which is accomplished by the proteolysis ...

Image Credit: DAntes Design/Shutterstock.com Understand The Full Cell Cycle Mitosis is a precisely ... separated into prophase, metaphase, anaphase, and telophase, culminating in cytokinesis.