BI-1631
Osmosis
Biology · Secondary 4 · Medium · Osmosis
A student places a dialysis tubing bag filled with concentrated sucrose solution into a beaker of distilled water 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.
- Sucrose moves out of the bag by diffusion, so the bag shrinks.
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