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.
Cold Spring Harbor Laboratory
Dna Learning Center: Dna Molecule, Dna Unzip
The DNA double helix contains two sequences of nucleotide code letters than run along the molecule. Untwist the spiral and DNA can be seen as two parallel strands. That's why its sometimes called the double helix. Unzip the strands and...
Oregon State University
Oregon State University: Linus Pauling and the Race for Dna
A great resource for the history of the discovery of DNA! This website includes over 300 documents, photographs, audio clips, and video excerpts that documents how the double helix structure was discovered.
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.
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.
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.
Other
National Center for Biotechnology Education: Dna50: Dna50 Trivia Quiz
Test your knowledge of the history of DNA and the discovery of the double helix model in this twenty-question trivia quiz.
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: 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.
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.
Ohio State University
Ohio State University: Dna Replication
This site from Ohio State University provides a good outline of the process of replicating DNA. The outline contains a numerous amount of embedded vocabulary links, illustrations of the process and also review questions and solutions.
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: Biology: Dna Structure and Replication
[Free Registration/Login may be required to access all resource tools.] Describes how DNA's structure and function was discovered.
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...
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.
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.
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.
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.
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.
Curated OER
Baylor College of Medicine: Dna: Illustration
Illustration of a classic double-helix model of DNA.