BI-384
Osmosis
Biology · Secondary 3 · Hard · Osmosis
A student investigates osmosis using potato cylinders placed in different sugar solutions. One cylinder is placed in pure water. After 30 minutes, this cylinder increases in length and mass. Which statement explains this observation?
- Water enters the potato cells by osmosis from the pure water.
- Sugar diffuses out of the potato cells into the pure water.
- Water leaves the potato cells by osmosis into the pure water.
- Sugar enters the potato cells by diffusion from the pure water.
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