The document summarizes key concepts about the cell cycle, including: 1) The cell cycle consists of interphase (G1, S, G2 phases) and mitosis (M phase), with checkpoints between phases to ensure cell readiness. 2) Experiments fused cells at different phases and observed activation, identifying maturation promoting factor (MPF) as important for mitosis. 3) Further work identified MPF as a cyclin-Cdk complex, with cyclin levels and Cdk activating phosphorylations regulating progression through the cell cycle. 4) The cyclin B-Cdk1 complex promotes mitosis, driving events like nuclear envelope breakdown, before cyclin degradation inactivates Cdk1

1. 3.24.2010 – Mitosis<br />Identifying which stage of interphase is the cell in?

2. Label the cells with

3. Tritiated Thymidine

4. Bromodeoxyuridine (BRDU)

5. There is an antibody to detect BRDU in labeled DNA