The outer part of a G protein receptor binds __________, and its inner part binds __________.
A) the signaling molecule; tyrosine kinase
B) the signaling molecule; a G protein
C) G protein; tyrosine kinase
D) G protein; an ion channel
E) an ion channel; a G protein

Question

Quizplus · Accepted Answer

The outer part of a G protein-coupled receptor (GPCR) binds the signaling molecule (ligand), while the inner part interacts with a G protein inside the cell to transmit the signal.

The Outer Part of a G Protein Receptor Binds __________