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Regulating the cell cycle

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Presentation on theme: "Regulating the cell cycle"— Presentation transcript:

1 Regulating the cell cycle
10-3

2 What regulates the cell cycle?
Cyclin = protein that regulates the growth of a cell. Internal regulators = proteins that respond to events inside the cell.

3 External regulators = proteins that respond to events outside the cell.
When a cell comes in contact with another cell they will stop growing and stop dividing.

4 What is cancer? Uncontrolled cell growth
When a cell does not respond to the chemical signals that tell it to stop dividing. The cell continues to divide and does not stop.

5

6 Causes of Cancer Smoking Radiation Viral infections

7 Treatments for Cancer Radiation Chemotherapy Surgery


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