* 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).