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level: 3.8 The cell cycle

Questions and Answers List

level questions: 3.8 The cell cycle

QuestionAnswer
Cancer and the control of mitosis- Mitosis + cell cycle are controlled by genes - Cancer is the uncontrollable division of cells - caused by a mutation - Forms tumour - Tumour invades surrounding tissues
Chemotherapy- Stops cells dividing - By preventing DNA from replicating - Inhibits the metaphase stage of mitosis by interfering with spindle formation
Disadvantages to chemotherapy- Can disrupt cell cycle of normal cells such as hair-producing cells, leading to hair loss
The three stages of the cell cycle- Interphase - Nuclear division - Cytokinesis
Interphase- Most of the cell cycle - No division takes place
Nuclear division- Nucleus divides into either 2 or 4
Cytokinesis- Cytoplasm divides into either 2 or 4 cells