BI-1670
Osmosis
Biology · Secondary 4 · Hard · Osmosis
In an investigation, four identical cubes of potato were placed in four beakers containing sucrose solutions of different concentrations. After 30 minutes, the cube in solution A increased in mass, while the cube in solution B decreased in mass. Which statement explains these results in terms of osmosis?
- Solution A has a higher water potential than the potato cells, while solution B has a lower water potential.
- Solution A has a lower water potential than the potato cells, while solution B has a higher water potential.
- Both solutions A and B have the same water potential as the potato cells.
- Water moves by diffusion of sucrose molecules into and out of the potato cells.
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