While small, uncharged molecules can diffuse through the hydrophobic core of a phospholipid bilayer, larger polar molecules such as glucose must enter cells by binding to
A) a nonphospholipid such as cholesterol.
B) the carbohydrate portion of glycolipids.
C) peripheral membrane proteins located on the inner side of the membrane.
D) carrier proteins that facilitate the passage of specific molecules across membranes.

Question

Quizplus · Accepted Answer

Larger polar molecules such as glucose must enter cells by binding to carrier proteins that facilitate their passage across the hydrophobic core of the phospholipid bilayer.

While Small, Uncharged Molecules Can Diffuse Through the Hydrophobic Core