Regulations of the Cell Cycle
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- First step
- First growth period
- Chromosomes in diffused state
- Longest growth period (11 hours)
- Second step
- Synthesis of DNA
- DNA condenses into straight lines
- Lasts for 8 hours
- Second growth period
- Lasts for 4 hours
Mitosis and cytokinesis
What are the mitotic phases?
- No more division or suspension in specific phase
- Cell has stopped in a specific phase
What are cyclins?
Checkpoint proteins that regulate the cell cycle
What kind of enzyme do cyclins work with?
Cyclin-dependent kinases (cdks)
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