Multiple Choice
In the context of passive transport, simple diffusion across a plasma membrane requires __________.
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9. Transport Across Membranes
Passive Transport: Diffusion and Osmosis
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In cell biology, osmosis refers to the movement of which substance across a selectively permeable membrane?
A
Ions moving against their concentration gradient using ATP-driven pumps
B
Water molecules moving from higher solute concentration to lower solute concentration
C
Solute molecules moving from higher solute concentration to lower solute concentration
D
Water molecules moving from lower solute concentration to higher solute concentration
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Passive Transport: Diffusion and Osmosis practice set
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