The cell cycle and mitosis Quiz
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5 questions, one answer each
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1. At which stage of mitosis do centromeres divide?
- A. Prophase
- B. Metaphase
- C. Anaphase
- D. Telophase
2. In a field of view, 12 of 80 cells are in mitosis. What is the mitotic index?
- A. 0.15
- B. 0.12
- C. 6.7
- D. 0.85
3. Which process happens in interphase?
- A. Chromatids separate
- B. DNA replicates
- C. Spindle fibres shorten
- D. Cytoplasm divides
4. Why are drugs that prevent spindle formation used to treat cancer?
- A. They stop DNA replication
- B. They stop chromatids being separated, so mitosis cannot be completed
- C. They make the tumour cells use less ATP
- D. They remove centromeres
5. A cell has a nuclear envelope that is reforming and two groups of chromosomes at opposite poles. Which stage is it?
- A. Anaphase
- B. Metaphase
- C. Prophase
- D. Telophase