Water Moves Across the Plasma Membrane into or Out of a Cell

Multiple Choice

Water moves across the plasma membrane into or out of a cell by osmosis when

A) there is an equal solute concentration on both sides of the membrane.
B) water diffuses through a semipermeable membrane toward a higher solute concentration.
C) water diffuses through a semipermeable membrane toward a lower solute concentration.
D) a high solute concentration opens an aquaporin channel.
E) ATP hydrolysis drives aquaporin transport.