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

• What controls the cell cycle?

• What happens if a cell doesn’t pass a checkpoint?

Page 2: What controls the cell cycle? What happens if a cell doesn’t pass a checkpoint?

Cell growth• Growth factors– PDGF=Platelet-derived growth factor

Page 3: What controls the cell cycle? What happens if a cell doesn’t pass a checkpoint?

Preventative Measures

• Separation is very careful

• Density-dependent inhibition

• Anchorage dependence

• Apoptosis

Page 4: What controls the cell cycle? What happens if a cell doesn’t pass a checkpoint?

Cancer

• No growth factor needed

• Can be immortal if nutrients available

Page 5: What controls the cell cycle? What happens if a cell doesn’t pass a checkpoint?
Page 6: What controls the cell cycle? What happens if a cell doesn’t pass a checkpoint?

ABCDE of Skin Cancer

Signs your mole should be checked by a doctor

Page 7: What controls the cell cycle? What happens if a cell doesn’t pass a checkpoint?

A – asymmetrical

Page 8: What controls the cell cycle? What happens if a cell doesn’t pass a checkpoint?

B – border

Page 9: What controls the cell cycle? What happens if a cell doesn’t pass a checkpoint?

C – color

Page 10: What controls the cell cycle? What happens if a cell doesn’t pass a checkpoint?

D – diameter • If larger than a pencil eraser

Page 11: What controls the cell cycle? What happens if a cell doesn’t pass a checkpoint?

E – elevation


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