New Paltz High School Name:……………..……………Block:……………
Biology
Diffusion and Osmosis
Watch the movie and try to answer these questions. If you miss one, you’ll have to answer it on your own.
- What is equilibrium?
- What gas builds up inside of cells as a result of respiration?
- How does that gas get out of the cell?
- How is the rate of diffusion affected by temperature?
- Which diffuses more quickly? Chlorine added to a swimming pool or chlorine added to a swirling hot tub?
- Is there more than one reason? List at least one reason.
- Which life process is most directly involved in maintaining equilibrium in cells?
Define the following:
- Isotonic:
- Hypertonic:
- Hypotonic
What happens to a cell when it is exposed to a(n)…
- …isotonic solution?
- …hypertonic solution?
- …hypotonic solution?
- What is turgor pressure and how does it help plants?
- What is plasmolysis?