The__________ portion of the cell membrane is responsible for the isolating function of the membrane, whereas the__________ portion regulates exchange and communication with the environment.
A) carbohydrate; lipid
B) lipid; protein
C) cholesterol; lipid
D) nucleic acid; lipid
E) protein; cholesterol

Question

Quizplus · Accepted Answer

The lipid portion of the cell membrane provides a barrier that isolates the cell's internal environment from the external environment, while the protein portion is involved in regulating exchange and communication with the environment through channels, receptors, and other structures.

The__________ Portion of the Cell Membrane Is Responsible for the Isolating