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THE CELL CYCLE WORKSHEET Name: _______________________________________________________________ Fill in the blank: Some will be used more than once. Prophase Metaphase Chromatid Interphase Anaphase Cytokinesis Telophase Centromere Mitosis Spindle fiber Cell plate 1. What phase are daughter cells in as a result of mitosis? ____________________ 2. During what phase of mitosis do centromeres divide and the chromosomes move toward their respective poles? 3. What is the phase where chromatin condenses to form chromosomes? 4. What is the name of the structure that connects the two chromatids? 5. In a chromosome pair connected by a centromere, what is each individual chromosome called? 6. What are the two parts of cell division? ____________________ 7. What structure forms in prophase along which the chromosomes move? 8. What structure forms in prophase along which the chromosomes move? 9. Which phase of mitosis is the last phase that chromatids are together? 10. Which phase of the cell cycle is characterized by a non-dividing cell? 11. What structure is produced when protein fibers radiate from centrioles? 12. What forms across the center of a cell near the end of telophase? 13. The period of cell growth and development between mitotic divisions? 14. What is the phase where cytokinesis occurs? ____________________ Matching: Match the term to the description. A. Prophase B. Interphase C. Telophase D. Metaphase ____________________ ____________________ ____________________ ____________________ ____________________ ____________________ ____________________ ____________________ ____________________ ____________________ ____________________ E. Anaphase 15. The sister chromatids are moving apart. 16. The nucleolus begins to fade from view. 17. A new nuclear membrane is forming around the chromosomes. 18. The cytoplasm of the cell is being divided. 19. The chromosomes become invisible. 20. The chromosomes are located at the equator of the cell. 21. The nuclear membrane begins to fade from view. 22. The division (cleavage) furrow appears. 23. The chromosomes are moving towards the poles of the cell. ________ ________ ________ ________ ________ ________ ________ ________ ________ THE CELL CYCLE WORKSHEET 24. Chromatids line up along the equator. 25. The spindle is formed. 26. Chromosomes are not visible. 27. Cytokinesis is completed (as next cycle begins). 28. The cell plate is completed. 29. Chromosomes are replicated. 30. The “reverse” of prophase. 31. The organization phase. ________ ________ ________ ________ ________ ________ ________ ________ The diagram below shows six cells in various phases of the cell cycle. Note the cells are not arranged in the order in which the cell cycle occurs. Use the diagram to answer questions 3241. 32. Cells A & F show an early and a late stage of the same phase of the cell cycle. What phase is it? 33. Which cell is in metaphase? 34. Which cell is in the first phase of M phase (mitosis)? 35. In cell A, what structure is labeled X? 36. List the diagrams in order from first to last in the cell cycle. 37. Are the cells depicted plant or animal cells? Explain your answer. If it were the other type of cell what would be different in the diagrams? 38. What is the longest phase of the cell cycle? 39. Why is mitosis important?