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TEXTBOOK READING 9.2 “The cell cycle multiplies cells.” NAME ___________________________ 1. Define the following vocabulary words. Term chromatin Definition chromosome sister chromatid centromere cell cycle interphase mitotic phase mitosis cytokinesis 2. Besides dividing, what are 3 other activities cells can be doing in your body? 3. Where are the genes located in eukaryotic cells? ____________________________________ 4. Normally, what does genetic material look like in the cell and what is it called? 5. What happens to the genetic material right before a cell is going to divide? 6. Human body cells have _________ chromosomes. 7. Is the number of chromosomes unique to every species of living thing? 8. Describe what happens to chromosomes right before a cell divides. 9. Do all cells divide at the same rate? Which divide the most? Which divide the least? 10. What kinds of activities occur in “Interphase”? List at least 3. 11. Write the three stages of “Interphase”. Then, briefly describe what actions occur in each. a. b. c. 12. After G2 of “Interphase”, the cell will enter which phase? ___________________________ 13. Write the two main stages of “M Phase”. Then, briefly describe what actions occur in each. a. b. 14. Circle which phase of the cell cycle that cells spend the most amount of time: [Interphase] or [Mitotic Phase] 12. Does mitosis take place in all living organisms? If not, which organisms CAN do mitosis? 13. Does the process of mitosis make many mistakes? Give a statistic.