A protein that forms an ion channel through a membrane is most likely
A) a peripheral membrane protein.
B) a transmembrane protein.
C) a phospholipid.
D) an enzyme.
E) entirely outside the phospholipid bilayer.

Question

Quizplus · Accepted Answer

A protein that forms an ion channel through a membrane needs to span the lipid bilayer so that ions can pass through. Therefore, it is most likely a transmembrane protein.

A Protein That Forms an Ion Channel Through a Membrane