1. What controls the cell cycle?
What happens if a cell doesn’t pass a checkpoint?

2. Cell growth
Growth factors
PDGF=Platelet-derived growth factor

3. Preventative Measures
Separation is very careful
Density-dependent inhibition
Anchorage dependence
Apoptosis

4. Cancer
No growth factor needed
Can be immortal if nutrients available

5. Treatment?

6. Signs your mole should be checked by a doctor
ABCDE of Skin Cancer
Signs your mole should be checked by a doctor

7. A – asymmetrical

8. B – border

9. C – color

10. D – diameter
If larger than a pencil eraser

11. E – elevation