which of the following statements about heterotrimetric G proteins and their receptors is incorrect? A: when GTP binds to the alpha subunit of the G protein, the beta-gamma subunit dissociates from the alpha subunit B: G-protein coupled receptors contain nine transmembrane alpha helices C: binding of arrestin causes removal of the receptor from the membrane D: G protein- coupled receptors may be desensitized by serine phosphorylation I had chosen option A and got it wrong. What is the Correct answer and explain how it is. Also, where did i go wrong in choosing option A?
which of the following statements about heterotrimetric G proteins and their receptors is incorrect? A: when GTP binds to the alpha subunit of the G protein, the beta-gamma subunit dissociates from the alpha subunit B: G-protein coupled receptors contain nine transmembrane alpha helices C: binding of arrestin causes removal of the receptor from the membrane D: G protein- coupled receptors may be desensitized by serine phosphorylation I had chosen option A and got it wrong. What is the Correct answer and explain how it is. Also, where did i go wrong in choosing option A?
Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN:9781305389892
Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Chapter9: Cell Communication
Section: Chapter Questions
Problem 11TYK: Discuss Concepts Describe the possible ways in which a G-proteincoupled receptor pathway could...
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. which of the following statements about heterotrimetric G proteins and their receptors is incorrect?
A: when GTP binds to the alpha subunit of the G protein, the beta-gamma subunit dissociates from the alpha subunit
B: G-protein coupled receptors contain nine transmembrane alpha helices
C: binding of arrestin causes removal of the receptor from the membrane
D: G protein- coupled receptors may be desensitized by serine phosphorylation
I had chosen option A and got it wrong. What is the Correct answer and explain how it is. Also, where did i go wrong in choosing option A?
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