The Cell Cycle Case Study

The Cell Cycle—Reading Comprehension Questions—pages 80-88

1. What are somatic cells?
2. Give 2 reasons why cells divide.
3. What is apoptosis and why does it occur?
4. Describe the cell cycle.
5. Describe interphase.
6. Describe the 3 stages of interphase.
7. What is a chromatid?
8. What are sister chromatids?
9. What are chromosomes made of?

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11. Describe mitosis.
12. Describe cytokinesis.
13. Describe the checkpoints for the cell cycle.
14. Define cyclins and describe their role in the cell cycle.
15. What causes cancer?
16. How are cancer cells different from other cells?
17. What are oncogenes?
18. Explain what factors would cause a cell to stop at each of the 3 cell cycle checkpoints.
19. Explain the role of mitosis and how it maintains the chromosome number of a cell.
20. Compare and contrast mitosis and cytokinesis in plant and animal cells.
21. What is chromatin?
22. Define the following terms:

• Centromere
• Daughter chromosome
• Spindle
• Prophase
• Prometaphase
• Metaphase
• Anaphase
• Telophase
• Cleavage furrow
• Cell plate

22. Which type of cell division results in a diploid number of chromosomes in the new cells?
23. Which type of cell division results in a haploid number of chromosomes in the new cells?

The Cell Cycle Case Study