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Download Interactive Questions Chapter 11-13 1. Do plant cells communicate
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Interactive Questions Chapter 11-13 1. Do plant cells communicate using hormones? If so, how do those hormones travel between secreting cells and target cells? 2. What determines whether a signal molecule binds to a membrane-surface receptor or an intracellular receptor? 3. What does protein kinase do? 4. How do the following mechanisms or molecules maintain a cell’s ability to respond to fresh signals? a. reversible binding of signal molecules b. GTPase activity of G protein c. Phosphodiestrerase d. Protein phosphatases 5. Briefly describe the three stages of cell signaling. 6. How many chromosomes do you have in your somatic cells? How many in you gametes? 7. A cells complete complement of DNA is called its ___________________? 8. Draw a diagram that shows the complete cell cycle within a cell. Include subphases. 9. Describe the life of one chromosome as it proceeds though an entire cell cycle, starting with interphase and ending with teleophase of mitosis. 10. What is MPF? 11. What is the difference between a regular somatic cell and cancer cell? 12. Draw and describe the sexual life cycles of animals, fungi and algae, and plants. Shade in the portion that is diploid. 13. Draw and describe the stages of Meiosis I and Meiosis II. Does meiosis I differ from mitosis? If so, how? 14. How many assortments of maternal and paternal chromosomes are possible in human gametes? 15. What is crossing over? 16. How many assortments of maternal and paternal chromosome are possible in human gametes?
