University of Southern California
University of Southern California: Dna Structure
A really nice web page devoted to the structure of DNA. Simple information but nice use of graphics to show the molecule. Uses the CHIME plug-in to show the 3-D nature of the helix.
Cold Spring Harbor Laboratory
Dolan Dna Learning Center: Dna Molecule: How Dna Is Packaged Advanced
An animated tutorial showing how each chromosome consists of one continuous thread-like molecule of DNA coiled tightly around proteins. [1:42]
City University of New York
The World of Cells: Nucleus
A good description of the structure and function of the nucleus.
University of Oxford (UK)
Univeristy of Oxford: Self Sustaining Chemical Systems: Living Cells
36-page tutorial takes a look at the organization of living cells.
PBS
Pbs Teachers: Scientific American: Never Say Die: How to Make a Nose
Investigate breakthroughs in stem cell research, and explore the structure and function of a DNA molecule. Create a model of a DNA from tagboard.