Ion Channels Are Formed by a Particular Kind of Membrane

Multiple Choice

Ion channels are formed by a particular kind of membrane protein that allows the passage of a specific ion under certain conditions.This type of protein is most likely a(n)

A) peripheral protein with additional hydrophobic domains.
B) integral protein with a transmembrane domain.
C) phospholipid with hydrophilic domains.
D) enzyme with an asymmetrical arrangement on either side of the plasma membrane.
E) membrane protein that is able to move freely within the phospholipid bilayer.