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
Dna From the Beginning: Dna Is Shaped Like a Twisted Ladder
A nice tutorial on DNA structure. The menu at the bottom allows you to view some different information.
Cold Spring Harbor Laboratory
Dna Interactive: Genome
This site is provided for by DNA Interactive. The genome is the entire endowment of genetic information. It is the "Book of life," on an organism. This site demonstrates the methods used to map and sequence the human genome and to...
University of Arizona
University of Arizona/dna Structure Activity
Activity based on the use of computer enhanced molecular images, might be worth the effort for an AP class to try.
National Health Museum
Access Excellence: Dna Molecule Two Views
Access Excellence provides an excellent graphic showing the structure of the DNA molecule and its components.
National Health Museum
Access Excellence: Structure of the Dna Molecule
Read a history of the discovery and study of DNA and its structure. Links to a graphic, other references, and classroom activities.
Other
Eureka Science: Dna Structure
A good site for information on DNA structure that we can all grasp. Fun animations make the topic less threatening.
National Health Museum
Access Excellence: Dna Sequencing (Dry Lab Activity)
This site is an advanced level hands-on activity to explain the Di-deoxy sequencing of DNA.
Other
North Dakota State: Dna Structure
A brief text overview of DNA structure and an introduction or mention of the various forms of DNA.
National Health Museum
Access Excellence: Dna Structure
Access Excellence provides an interesting graphic which shows the helical structure of DNA from the molecular to chromosomal scale.