Which Statement About G Protein-Coupled Receptors Is False

Multiple Choice

Which statement about G protein-coupled receptors is false?

A) Each receptor has seven transmembrane regions.
B) They are involved in light and odor detection.
C) They have an extracellular side and a cytoplasmic region.
D) Their ligands bind to the cytoplasmic region, which also binds to a G protein.
E) Ligand binding changes the shape of the G protein attached to the receptor.