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Unformatted text preview: 7. What is a protein kinase? A protein phosphatase? 8. Outline the major events involved in the reception of a signal by a (a) GPCR and (b) RTK. a. G-Protein Coupled Receptor b. Receptor Tyrosine Kinase 1. Ligand binds extracellular side of receptor. 1. Ligand binds extracellular side of receptor. 9. Why does signaling through an intracellular receptor typically not include the transduction step? 10. How can two cells bind the same ligand, but generate distinct responses? 2...
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- Summer '08