Week 5

Question 1

Apoptosis

Answer 1

Aka programmed cell death (PCD)

• when the cell cycle stops at a checkpoint and damage is not repaired

Question 2

Healthy cell

Answer 2

Undamaged parts
Undamaged molecules (DNA)
Big enough for division
Nutrient rich

Question 3

Necrosis

Answer 3

Unregulated cell death

Cells killed by mechanical damage from environmental factors such as heating, freezing and dehydration

Question 4

G0 phase

Answer 4

“time out” phase

stem cells temporarily stop dividing