National Science Foundation
National Science Foundation: A Tour of the Cell
Imagine having a microscopic camera so small that you could travel inside a cell. This interactive site allows you to do just that. Click on any one of eight individual parts of the cell--cell membrane, nucleus, DNA, RNA, ribosome,...
Cells Alive
Eucaryotic Cell Interactive Animation
Explore plant and animal cells with this interactive site. Explanations are provided for each cell organelle.