The barrier function of the plasma membrane is accomplished by the:
A)receptor proteins.
B)glycoproteins.
C)rafts in the cell membrane.
D)phospholipid bilayer.

Question

Quizplus · Accepted Answer

The phospholipid bilayer is responsible for the barrier function of the plasma membrane. The hydrophobic tails of the phospholipids face inwards, creating a barrier that prevents hydrophilic molecules from passing through easily. Receptor proteins, glycoproteins, and rafts in the cell membrane have other functions.

The Barrier Function of the Plasma Membrane Is Accomplished by The