BI-439
Osmosis
Biology · Secondary 3 · Hard · Osmosis
A student places identical potato strips into three beakers: distilled water, 0.5% salt solution and 5% salt solution. After 30 minutes, she measures their lengths.
In which beaker will the potato strip become shorter, and why?
In which beaker will the potato strip become shorter, and why?
- Distilled water, because water enters the cells and they shrink.
- 0.5% salt solution, because no net water movement occurs.
- 5% salt solution, because water leaves the cells and they shrink.
- All three beakers, because osmosis always makes cells shrink.
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