Teaching CSIR NET Mock Test Series Life Sciences Cell Communication and Cell Signaling Cell signaling
Which one of the following statements correctly explains the function of a GTPase activating protein (GAP) in the regulation of heterotrimeric G proteins in plants?
1
It activates Gβ protein.
2
It inactivates Gα protein.
3
It directly inhibits ligand binding to GPCR.
4
It leads to the dissociation of Gα fromGβ/Gγ subunits.