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Chapter 12: The Cell Cycle Reading guide Overview: 1. What are the three key roles of cell division? State each role, and give an example. 2. What is meant by the cell cycle? Concept 12.1 Cell division results in genetically identical daughter cells 3. What is the meaning of genome? Compare your genome to that of a prokaryotic cell. 4. How many chromosomes are in a human somatic cell? 5. Name two types of somatic cells in your body. 6. What is a gamete? 7. Name the two types of gametes. 8. How many chromosomes in a human gamete? 9. Define chromatin. You are going to have to learn the difference between a number of similar-sounding terms. The sketch that looks like an X represents a replicated…show more content…
What is the source of these components? 19. In animal cells, the assembly of spindle microtubules starts at the centrosome. What is another name for the centrosome? 20. Sketch and label a centrosome with two centrioles. 21. Describe what happens to the centrosome during interphase and then prophase. You will need to spend some serious time with Figure 12.6. Use it to help you label this figure. Label each phase by name; then label the smaller structures. Finally, make 2 or 3 summary statements that indicate important features to note about the phase. Phase: Key features of each phase: ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ------------------------------------------------- 27. Describe cytokinesis in an animal cell. Use a labeled sketch that shows the cleavage furrow. 28. Describe cytokinesis in a plant cell. Use a labeled sketch that shows the cell plate. 29. How is the cell plate formed? What is the source of the material for the cell plate? 30. Prokaryote reproduction does not involve mitosis, but instead occurs by binary fission. This process involves an origin of

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