BI-1700
Osmosis
Biology · Secondary 4 · Medium · Osmosis
Sweet potato strips are placed in different sucrose solutions. In 0.8 mol dm⁻³ sucrose, many cells become plasmolysed. Which statement best explains this observation?
- Water enters the cells by osmosis, causing them to burst.
- Water leaves the cells by osmosis, so the cytoplasm shrinks.
- Sucrose diffuses into the cells until they shrink.
- Sucrose is actively transported out of the cells, lowering their volume.
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