Yale University
Yale University Center for Structural Biology
This site is an excellent resource on the research and graduate studies programs in the field of biophysics.
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.
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]
National Health Museum
Access Excellence: Making a Phylogenetic Tree Lesson Plan
Constructing phylogenetic trees may be a daunting task for students, but this lesson plan is a simulation of what molecular biologists must do to determine relationships. This plan is for students who have a good grasp of DNA structure...
Khan Academy
Khan Academy: Classic Experiments: Dna as the Genetic Material
Learn about the experiments by Frederick Griffith, Oswald Avery, Alfred Hershey, and Martha Chase that led to the discovery of DNA as the genetic material.
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.
CK-12 Foundation
Ck 12: Biology: Nucleic Acids
[Free Registration/Login may be required to access all resource tools.] Discusses the structure and role of nucleic acids.
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.
Sophia Learning
Sophia: Dna vs Rna: Lesson 2
This lesson will show the difference in structure between deoxyribonucleic acid and ribonucleic acid. It is 2 of 4 in the series titled "DNA vs RNA."
Concord Consortium
Concord Consortium: How Do Cells Make Proteins?
Learn how the code on a strand of DNA can be used to make a protein.
Sophia Learning
Sophia: Structure and Function of Macromolecules: Nucleic Acids: Lesson 2
This lesson presents how the structure and function of nucleic acids pertain to living things. It is 2 of 2 in the series titled "Structure and Function of Macromolecules: Nucleic Acids."
Other
Acadia University: Structure of Dna and Rna
This site from the Acadia University provides the basic structure of DNA and RNA and a decent compare/contrast between the two.
BiologyWise
Biology Wise: Why Is Dna Important
Explains what DNA is and how much information lies stored in its structure, and discusses the many applications of the science of DNA in agriculture, forensic science, human genetics, etc.
University of Missouri
Biotech Adventures: Dna Replication
Replication 1, Replication 2, 5'to 3' direction, polymerase replication, and ligase replication are the topics delved into in this complete site. The text is supplemented with animation for clarity.
Other
My Science Box: Dna Models
Hands-on lesson in which students play with puzzle pieces representing the DNA molecule to discover the molecular structure of DNA.
Genome British Columbia
Genome British Columbia: Sequencing
The structure of DNA is explained in detail, and the technology of DNA sequencing.
Other
National Center for Biotechnology Education: Dna50: Cut Out Model
Students construct DNA base pairs using a template. The base pairs can be used to assemble a large-scale DNA strand for the whole class.
Other
Gene Expression & Regulation
Provides some very straight forward information regarding genetic information an DNA. Find out about synthesizing proteins, the Central Dogma of molecular biology, and much more.
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: Crick, Watson, and Franklin
This article describes the race to unlock the mystery of life by determining the double helix structure of the DNA molecule. The discovery of DNA and its structure is an example of collective learning.
Science Buddies
Science Buddies: Use Dna Sequencing to Trace the Blue Whale's Evolutionary Tree
Around 50 million years ago, the mammalian ancestor of today's whales returned to the ocean. In this genomics science fair project, you will use mitochondrial protein sequencing to trace the evolution of whales and identify their closest...
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.
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