The outer part of a G protein-linked receptor binds to a(n) ____, and its inner part binds to a(n) ____.
A) G protein; ion channel
B) G protein; tyrosine kinase
C) ion channel; G protein
D) signaling molecule; G protein
E) signaling molecule; tyrosine kinase

Question

Quizplus · Accepted Answer

The outer part of a G protein-linked receptor binds to a signaling molecule (such as a hormone or neurotransmitter), and its inner part interacts with a G protein, which then initiates a cascade of cellular events.

The Outer Part of a G Protein-Linked Receptor Binds to A(n)