1. What is the major morphological difference between mammalian red blood cells and avian red blood cells?
2. Give a hypothesis for the above observation.
3. Describe the shape of mammalian red blood cells, and give a reason why this shape may be advantageous considering the main function of red blood cells in the body.
4. For each of the 3 solutions (A, B and C) you tested on the RBC’s describe the direction for the net movement of water.
5. Why are plant cells less susceptible to swelling in hypotonic environments than animal cells?
6. Describe what is happening in plasmolysis when onion cells are placed in a hypertonic solution. Sketch a plasmolysed cell.