Multiple Choice
In the context of passive transport across cell membranes, what is the key difference between simple diffusion and facilitated diffusion?
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9. Transport Across Membranes
Passive Transport: Diffusion and Osmosis
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In the context of passive transport (diffusion and osmosis), a red blood cell placed in a hypertonic medium will most likely:
A
Actively pump water into the cell to restore its original volume
B
Gain water by osmosis and swell, potentially lysing
C
Show no net movement of water because the medium is isotonic
D
Lose water by osmosis and shrink (crenate)
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