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BIOLOGY 2B03 Lecture 6: Lecture 6 Summary

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School
McMaster University
Department
Biology
Course
BIOLOGY 2B03
Professor
Kim Dej

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Related Questions

33. the pertussis toxin was found to interfere with the ligand binding site in g protein coupled receptors. at which point in the cell signalling pathway would this toxin interrupt normal cell signalling?
a. cellular response
b. secondary messenger action
c. signal amplification
d. signal detection

Just as signaling is turned on, it also needs to turn off. Selectall feasible mechanisms for turning off a signal transductionpathway.

Answer

A.

GTP hydrolysis
B.

recycle receptors to plasma membrane
C.

receptor phosphorylation
D.

ubiquitinate and degrade signaling molecule
E.

receptor endocytosis
F.

ubiquitinate and degrade transcription factor


Thank you for your help!

How does insulin binding activate the insulin receptor? List the steps of the insulin signal-transduction pathway. How is insulin signaling terminated?