Which of the following statements concerning membrane transport across the plasma membrane is true?

A. All molecules are moved across by active transport.
B. Water cannot move through the membrane.
C. Lipid-soluble substances pass through the membrane by dissolving in the lipid bilayer.
D. Generally, cations pass through the membrane more easily than anions.
E. Polar molecules are transported more easily than nonpolar molecules.


C

Anatomy & Physiology

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