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Unit 3 Lesson 18
Disruptions of the Cell Cycle
| Term | Definition |
|---|---|
| apoptosis | a series of steps the cell takes in order to self destruct |
| cancer | a disease caused by disruptions in the cell cycle that leads to uncontrollable growth and reproduction of certain cell types |
| cell cycle | a sequence of specific steps taken by cells to prepare for and perform reproduction |
| G1 phase | the cell prepares to divide, during which the cell grows larger and replicates its organelles |
| S phase | the cell makes a copy of its DNA (genetic material) |
| G2 phase | the genetic material is prepared for division and the proteins needed for cell division are made |
| M phase | two copies of DNA are split into two daughter cells and the cell divides |