Reading%20Guide%20Chapter%2011 - Biol2107...

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Biol 2107 Reading Guide Chapter 11 1. Describe the basic signal-transduction pathway used for mating in yeast.  2. Define ‘paracrine signaling’, and give an example. 3. Define local regulation and explain why hormones are not local regulators. 4. Explain how plant and animal hormones travel to target cells. 5. List and briefly define the three stages of cell signaling. 6. Describe a ligand-receptor interaction and state how such interactions initiate a  signal-transduction system. 7. State where signal receptors may be located in target cells. 8. Explain how G-protein-linked receptors, tyrosine-kinase receptors, and ligand- gated ion channels work and then compare and contrast the three. 9. Describe two advantages of using a multi-step pathway in the transduction stage  of cell signaling. 10.
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Reading%20Guide%20Chapter%2011 - Biol2107...

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