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Cell Transport: Diffusion and Osmosis
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Grade Level
Grade 7
7.25 Cell Transport: Diffusion and Osmosis
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A membrane lets both water and a small solute cross. At equilibrium, which statement is best?
A
Water and solute stop moving completely.
B
Both may still move randomly across the membrane, but neither has a net movement.
C
Water keeps moving, but the solute stops.
D
The membrane becomes impermeable once equilibrium is reached.
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