Transgenic fly, Bacterial ID, Cardiology Lab, Neurophysiology, Immunology Lab
Given a choice of 5 bases, 2 sugars, and a phosphate you construct a series of organic molecules.
8 interactive tutorials related to microscopy. No audio but some really great visuals!
This is an excellent site with dissection videos, animations, interactive games, on a variety of biology topics.
Loads of applets to demonstrate a wide variety of physical principles.