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Diffusion, Osmosis & Active Transport
Review Questions
from Science Prof Online
Diffusion, Osmosis & Active Transport Review Qus
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Multiple choice and true/false questions designed to help students better understand this lecture topic.
Page last updated 8/2014
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SPO VIRTUAL CLASSROOMS
These are review questions designed to help students better understand this topic. They are based on materials that can be found on the Diffusion, Osmosis & Active Transport Lecture Main Page.
4. What is a concentration gradient?
5. Describe an example of diffusion down a concentration gradient.
6. What is tonicity, and how does it relate to osmosis?
7. What would happen to a blood cell if placed in water (a hypotonic environment)? Explain why.
8. What would happen to a slug if salt is sprinkled on it? Why?
9. A dehydrated patient needs to be rehydrated with an IV of Ringer's solution. At the start of their rehydration therapy, right when the IV is first connected, what is the tonicity of the cells of their body compared to the Ringer's solution? Once the patient is fully rehydrated, and the IV is stopped, what is the tonicity of the cells in the patient's body compared to the Ringer's solution?
1. Explain the difference between passive and active transport.
2. Define diffusion.
3. What is the difference between diffusion and osmosis?
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