BI-495
Osmosis
Biology · Secondary 3 · Hard · Osmosis
A potato strip is placed in a concentrated salt solution for 30 minutes. Which statement correctly explains what happens to the potato cells in terms of osmosis?
- Water enters the cells by osmosis, so they become turgid and the strip becomes stiffer.
- Water leaves the cells by osmosis, so they become plasmolysed and the strip becomes limp.
- Salt enters the cells by osmosis, so they swell and the strip becomes longer.
- Salt leaves the cells by osmosis, so they shrink and the strip becomes shorter.
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