AaBbCcDdE ! Al Normal Text Box 1. Which of the following statements is false wit

Question

AaBbCcDdE ! Al Normal Text Box 1. Which of the following statements is false with regard to G protein coupled receptors (GPCRs)? A) GPCRs can interact with specific receptor interacting proteins to modify ligand affinity B) Adenylate cyclase is activated. C) Phosphodicsterase creates cAMP molecules in response to moderate cAMP levels. D) Protein Kinase A is activated by cAMP E) SAME signals for its own degradation indirectly 2. TGF-beta signaling activates downstream signals by phosphorylating A) MEK B) Ras C) Raf DiSmads E) all of the above 3. Exposure to sarin, a potent nerve gas, causes muscles to be continuously contracted. Therefore, satin must interfere with which the action of which neurotransmitter? A) acctycholins B) GABA C) dopamine D) enkepbalins E) glutamase words: 1930, 193 Pages 1 of 2 sec Print Layout view

Explanation / Answer

1.      GPCRs can interact with specific receptor interacting proteins to modify ligand affinity

2.      All the above

3.      Acetylcholin

4.      0.5 msec

5.      Between A and B

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