Alex's Lecture 9 Study Guide.pdf - Terms to Know Signal...

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Terms to Know: Signal amplification Cell permeant vs cell impermeant molecules Heterotrimeric G-protein Monomeric G-protein GTP GDP Second messenger Adenylyl cyclase cAMP protein kinase (A) phosphorylation phosphatase PKA catalytic subunit PKA regulatory subunit Transcription factor/ transcriptional activator protein CREB C-fos 1. What type of receptors involve g-proteins? 2. A single norepinephrine molecule binds to a receptor and can generate thousands of second messengers molecules. What is this an example of? 3. Which of the following does not have signal amplification? a. Receptor b. Adenylyl cyclase c. Protein Kinase A d. Cyclic AMP 4. What is an example of an effector protein? Using the example in class of the G S pathway, what seeks out an effector protein once activated? 5.G proteins have three distinct subunits (one alpha, and a beta and gamma subunit that form a complex). This is called a.Heterodimeric structure
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b.Heterotrimeric structure c.Homotrimeric structure d.None of the above
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