Chapter 5 Cell Growth and Division Reading Questions 5.1 1. Why are cancer cells called immortal? 2. The regular pattern of growth, DNA replication, and cell division that occurs in eukaryotic cells is the ______________________. (2 words) 3. T or F There are 5 stages of the cell cycle. 4. What is interphase? 5. What 3 things happen during G1 of the cell cycle? 6. T or F A cell spends most of its time in G1. 7. What does synthesis mean? 8. During the ___________ stage of the cell cycle, the cell makes a copy of its nuclear DNA. 9. What 2 things happen during G2? 10. During what 2 stages of the cell cycle contain a checkpoint before proceeding to the next stage? 11. What is mitosis? 12. ___________________(1 word) is the process that divides the cell cytoplasm. 13. T or F Eukaryotic cells divide faster than prokaryotic cells. 14. Different tissues of the body have different rates of ________________________. (2 words) 15. Which cells divide faster, red blood cells or skin cells? 16. In _________, cells are unlikely to divide. 17. T or F Cells have size limits. 18. What happens if a cell gets too big? 5.2 19. What is a chromosome? 20. Human body cells have __________ chromosomes. 21. During interphase, DNA is ___________ (1 word) like spaghetti. During mitosis it is ________________.(2 words) 22. What does DNA wrap around to help it condense? 23. Why does DNA condense in mitosis? 24. The complex of DNA and protein is called _______________.(1 word) 25. Draw and label a condensed, duplicated chromosome. 26. Why are chromatids called sisters? 27. What do mitosis and cytokinesis produce? 28. What happens during interphase? 29. T or F Mitosis occurs in all body cells. 30. Make a pneumonic for the 4 stages of mitosis P________________ M_________________ A________________ T___________________ 31. Draw the 4 stages of mitosis. 32. After mitosis ________________________ divides the cytoplasm into two __________________(2 words) and completes _____________________.(3 words) 33. Why is cytokinesis different in plant and animal cells?