Essay
Indicate by writing "yes" or "no" whether amplification of a signal could occur at the particular steps described below.Explain your answers.
A.An extracellular signaling molecule binds and activates a GPCR.
B.The activated GPCRs cause Gα to separate from Gβ and Gγ.
C.Adenylyl cyclase produces cyclic AMP.
D.cAMP activates protein kinase A.
E.Protein kinase A phosphorylates target proteins.
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A.No.Each signaling molecule activates o...View Answer
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