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Unformatted text preview: 9. Describe what characteristic changes occur in the spindle apparatus during each phase of mitosis. 10. Explain the current models for poleward chromosomal movement and elongation of the cells polar axis. 11. Compare cytokinesis in animals and in plants. 12. Describe the process of binary fission in bacteria and explain how eukaryotic mitosis may have evolved from binary fission. Regulation of the Cell Cycle 13. Describe the roles of checkpoints, cyclin, Cdk, and MPF in the cell cycle control system. 14. Describe the internal and external factors that influence the cell cycle control system. 15. Explain how the abnormal cell division of cancerous cells escapes normal cell cycle controls. 16. Distinguish among benign, malignant, and metastatic tumors....
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