1. Osmosis Practice Problems

2. ? ?

3. Which way will the water move?

4. WHY?

7. If you soak your hands in dishwater, you may notice that your skin absorbs water and swells into distinct wrinkles. This is because your skin cells are ______________ to the dishwater.

8. If you soak your hands in dishwater, you may notice that your skin absorbs water and swells into distinct wrinkles. This is because your skin cells are __Hypertonic__ to the dishwater.

9. You decide to buy a new fish for your freshwater aquarium
You decide to buy a new fish for your freshwater aquarium. When you introduce your fish to its new tank, the fish swells up and dies. You learn later that it was a fish from the ocean. The most likely explanation for your unfortunate fish is that it went from an isotonic environment into a ________________ environment.

10. You decide to buy a new fish for your freshwater aquarium
You decide to buy a new fish for your freshwater aquarium. When you introduce your fish to its new tank, the fish swells up and dies. You learn later that it was a fish from the ocean. The most likely explanation for your unfortunate fish is that it went from an isotonic environment into a _____Hypotonic_______ environment.
Poor fishy!

11. In what kind of solution is each red blood cell?

12. Plant cells that are placed in a hypotonic solution do not explode (lyse). Why?

13. You know that this cell is in a(n) ________________ solution because water is moving ____________________ the cell.

14. Salt can be used as a weed killer because
The salt diffuses into nearby water, creating a hypotonic solution, and the plant cells swell and burst
The salt diffuses into nearby water, creating a hypertonic solution, and the plant cells swell and burst
The salt diffuses into nearby water, creating a hypertonic solution, and the plant cells shrivel and die
The salt contains enough sodium to poison the plant

15. 2% solutes
10% solutes
Is the solution hypertonic, hypotonic, or isotonic to the cell cytoplasm?

16. Will more water go in to the cell or go out of the cell?
2% solutes
10% solutes
Will more water go in to the cell or go out of the cell?