Assignment Goal: The plasma membrane is what separates the internal contents of the cell with the environment. You will need to understand how important substances move into or out of the cell.
Problem 1. What are the three principal functions of the plasma membrane?
Problem 2. Name the five types of proteins found in the plasma membrane and provide their function.
Problem 3. Compare and contrast diffusion and osmosis.
Problem 4. What is meant by the term tugor pressure?