PBS
Nova: Picturing the Molecules of Life
Retrace the development of our knowledge of nucleic acids by viewing pictures of nucleic acids (both DNA and RNA) taken in 1952, 1973, 1979, 1980, 1984 and 2001.
Cold Spring Harbor Laboratory
Dna Interactive: Applications
Examples of using DNA for forensic purposes is discussed here, as well as uses to unravel historical puzzles, trace the history of a species and answer health problems.
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.
Soft Schools
Soft Schools: Dna or Deoxyribonucleic Acid Part Ii Quiz
Take an interactive quiz over DNA. After completing the quiz, check your score, and then revisit any incorrect question for further review.
National Institutes of Health
National Library of Medicine: Profiles in Science: Francis Crick Papers
Biographical information about Francis Crick as well as access to an archival collection of his papers, letters, photographs, and notes, including those related to the discovery of the double helix.
National Health Museum
Access Excellence: A Visit With Dr. Francis Crick
A transcript of a personal interview with Francis Crick, the co-discoverer of the structure of DNA.
PBS
Pbs Learning Media: Journey Into Dna
Travel deep into the human body to see exactly where your DNA resides. From the NOVA: Cracking the Code of Life Web site.
CK-12 Foundation
Ck 12: Biology: Nucleic Acids
[Free Registration/Login may be required to access all resource tools.] Covers the structure and function of nucleic acids.
National Institutes of Health
U.s. National Library of Medicine: What Is Dna?
Scientific information about the hereditary material in all living things, DNA. Also includes links to fact sheets for quick reference.
Soft Schools
Soft Schools: Dna Quiz
Take this interactive, multiple-choice quiz over the molecule of life, DNA. Then review your score and any missed questions at the end.
Other
Molecule of the Month: Dna (Java)
A good site that begins with the background and branches into the structure, function and applications of technology. This version of the page requires Java, and should open some applets that allow you to see the structures in 3-D.
Nobel Media AB
The Nobel Prize: Francis Crick Biographical
Read about the co-recipient of the 1962 Nobel Prize in Medicine. This biography includes a picture of Crick as well as information on his personal life. Most focus, however, is on his scientific contributions and discoveries "concerning...
CK-12 Foundation
Ck 12: Dna Structure and Replication
[Free Registration/Login may be required to access all resource tools.] Module describes how DNA's structure and function was discovered while summarizing the process of DNA replication. This activity also explains Chargaff's rules and...
Other
I Can Do That: Dna Introduction
In story form, this complete site examines what DNA is, the structure of DNA, genes, and replication. For clarity purposes, the text is supplemented with drawings.
BBC
Bbc: Gcse Bitesize: Reproduction, the Genome and Gene Expression
This lesson focuses on DNA including it's structure,components,and how it goes together to form genomes. It also provides to links to a video and a test.
PBS
Pbs: Watson and Crick Describe the Structure of Dna
From a PBS databank of twentieth-century scientists and their stories comes this brief description of the discovery by Watson and Crick of the double-helix structure of DNA. The work of other scientists on whom Watson and Crick relied...
Khan Academy
Khan Academy: Discovery of the Structure of Dna
Explore the structure of DNA double helix and how it was discovered. Learn about the work of Chargaff, Watson and Crick, Wilkins, and Franklin.
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.
Famous Scientists
Famous Scientists: Erwin Chargaff
Learn about the Austrian biochemist and author, Erwin Chargaff, best known for "Chargaff's Rules" which lead to the discovery of DNA's double helix structure.
CK-12 Foundation
Ck 12: Nucleic Acids
[Free Registration/Login may be required to access all resource tools.] Online activity covers the structure and function of nucleic acids. Students will learn about nucleotides, the different types of nitrogenous bases, and the...
Other
National Center for Biotechnology Education: Dna50: Timeline
Follow a timeline which describes the discovery of the DNA double helix model in the early part of the 1950s.
National Health Museum
Access Excellence: James Watson
Excellent overview of the scientific career of James Watson. Includes a black and white photo. This site also offers links to information on Rosalind Franklin, Linus Pauling, and the Human Genome Project.
BioMan Biology
Bio Man Biology: Life Chemistry Quizzes
Two multiple-choice quizzes, one on the processes and types of biological molecules, the other on the structure and replication of DNA.