Multiple Choice
For the α subunit of a trimeric G protein, …
A) a G-protein-coupled receptor (GPCR) acts as a guanine nucleotide exchange factor (GEF) , whereas a regulator of G protein signaling (RGS) can act as a GTPase-activating protein (GAP) .
B) a GPCR acts as a GAP, whereas an RGS can act as a GEF.
C) both a GPCR and an RGS can act as a GEF.
D) both a GPCR and an RGS can act as a GAP.
Correct Answer:
Verified
Correct Answer:
Verified
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