Biology 8th Edition by Kenneth Mason ,Jonathan Losos,Susan Singer,Peter Raven,George Johnson

تمرين 13

Which of the following best describes the immediate effect of ligand binding to a G protein-coupled receptor
A) The G protein trimer releases a GDP and binds a GTP.
B) The G protein trimer dissociates from the receptor.
C) The G protein trimer interacts with an effector protein.
D) The a subunit of the G protein becomes phosphorylated