Use this site to reinforce learning: click on the Membrane transport tabs (especially diffusion, osmosis and active transport)
http://www.stolaf.edu/people/giannini/biological%20anamations.html
This site will help with hypertonic and hypotonic clarification:
http://www.linkpublishing.com/video-transport.htm#LINKS_
Use this site to review organelles:
http://www.tvdsb.on.ca/WESTMIN/science/sbi3a1/Cells/cells.htm