HomeostasisCell Transport

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What are the differences between diffusion & facilitated diffusion?

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Explain when plasmolysis occurs.

During surgery, exposed tissues are moistened with sterile Ringer's solution to prevent shrinkage or lysis of the cells. Ringer's solution must be ___________ relative to cells in the tissue.Explain your answer.

Explain what each of the following substances requires in order to cross a membrane.water glucosesodium ion an amino acid

Explain the osmotic situations that the figure (at right) demonstrates? (Plasmolysis - turgor pressure – lysis)

Is the extra-cellular fluid isotonic, hypertonic or hypotonic compared to the cell?

If a cell has a solute concentration of 0.07% ,what osmotic situation of each of the following solutions would be?1. 0.01% solute 2. 0.1% solute 3. 1% solute 4. 10% solute

What are the differences between facilitated diffusion and protein pumps?