Biology Corner: A class web site from a high school teacher, includes notes and links about cells
Biology For Kids: More information about plant and animal cells and cell parts.
Biotech Adventures : More information about the plant and animal cell
Cells Alive: A very Visual web site that shows the parts of the cell.
Cell Structure: An interactive web site that shows the parts of an animal cell
Osmosis Animation: An animation that shows how osmosis works.
Physical Geography.net: Good images of an animal cell, a plant cell, and a bacteria cell. Also describes the cell parts and their job.