Biology - College Biology - Cellular - Apoptosis and cell death - Programmed Cell Death

4 steps. Step 1: 'APOPTOSIS = programmed cell death. Cells commit suicide in a controlled, orderly way. Not accidental damage (that's necrosis). Apoptosis is essential for normal development and health!' Step 2: 'WHY CELLS DIE ON PURPOSE - Sculpting organs during development (fingers form when cells