* 1. Name

2. Draw and label a diagram to show the structure of membranes.

3. Explain how the hydrophobic and hydrophilic properties of phospholipids help to maintain the structure of cell membranes.

4. List the functions of membrane proteins.

5. Discuss the following terms: diffusion, osmosis, passive transport, active transport, facilitated diffusion, aquaporins.

6. Discuss endocytosis and exocytosis. Explain how vesicles are used to transport materials within a cell between the rough endoplasmic reticulum, Golgi apparatus and plasma membrane.

7. Describe the importance of fluidity in membranes (including changing shape, breaking, re-forming).