Multiple Choice
In the context of passive transport, osmosis is the movement of which molecule across a selectively permeable membrane?
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9. Transport Across Membranes
Passive Transport: Diffusion and Osmosis
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During osmosis across a selectively permeable membrane, which statement best describes what happens?
A
Water is pumped across the membrane using ATP to move against its concentration gradient.
B
Water moves from the side with lower solute concentration (higher water potential) to the side with higher solute concentration (lower water potential).
C
Water moves from the side with higher solute concentration (lower water potential) to the side with lower solute concentration (higher water potential).
D
Solute molecules move from the side with higher solute concentration to the side with lower solute concentration until equilibrium is reached.
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