BI-1695
Osmosis
Biology · Secondary 4 · Hard · Osmosis
A student places a dialysis tubing bag filled with sucrose solution into a beaker containing sucrose solution of the same concentration and leaves it for 30 minutes. Which statement correctly describes what happens to the bag and why?
- Water moves out of the bag by diffusion, so the bag shrinks.
- Water moves into the bag by osmosis, so the bag swells.
- Sucrose moves into the bag by osmosis, so the bag swells.
- There is no net movement of water, so the bag stays the same size.
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