Curated OER
Cell physiology and chemistry
Students design an experiment to discriminate between chemical diffusion, osmosis, facilitated diffusion and active transport through a membrane. Be specific about predictions and interpretations!
Curated OER
Biotechnology
Students explore biotechnology through various activities. In this biology lesson, students analyze its pros and cons. They study and read informative articles about biotechnology.
Curated OER
Polymers and Crystals
Students experiment with crystals and polymers and examine their roles in food science.
![Story Behind the Science: Piecing Together the Structure of Dna [Pdf] Article](https://static.lp.lexp.cloud/images/attachment_defaults/resource/large/FPO-knovation.png "Story Behind the Science: Piecing Together the Structure of Dna [Pdf] Article")
Story Behind the Science
Story Behind the Science: Piecing Together the Structure of Dna [Pdf]
Outlines the history of the scientific efforts that went into the discovery and mapping of the structure of DNA, spanning one hundred forty years.
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.
Vision Learning
Visionlearning: Biology: Dna Ii: The Structure of Dna
Instructional module focusing on the physical structure of DNA. Discussion incorporates the description of the nucleotides, base pairs, and the double helix shape of a DNA molecule. Site also includes an interactive practice quiz and...
Khan Academy
Khan Academy: Biology: Macromolecules: Nucleic Acids: Molecular Structure of Dna
Explore the molecular structure of DNA in this article. Learn about the components of DNA: nucleotide, nitrogenous base, and phosphate.
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.
TED Talks
Ted: Ted Ed: The Twisting Tale of Dna
Video describing the structure and function of the DNA molecule. [4:27] Includes a short quiz and a list of additional resources to explore.
PBS
Pbs Learning Media: Dna Structure and Function: Decoding Watson
Discover how the structure of DNA relates to its hereditary function in these videos from the American Masters film Decoding Watson. The first video, "DNA Structure and Function," [2:07] can be used with all middle and high school...
CK-12 Foundation
Ck 12: The Dna Double Helix Advanced
[Free Registration/Login may be required to access all resource tools.] Students can watch a video, read some informational text and key vocabulary terms, and answer review questions about the structure of DNA.
BiologyWise
Biology Wise: 7 Major Steps of Dna Replication
Explains the structure of DNA and the seven steps that take place during DNA replication. Includes a labeled illustration for each step.
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.
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...
University of Arizona
University of Arizona: Introduction to Dna Structure
A tutorial on the structure of DNA. Meant as a companion to a biology course, a grasp of basic DNA terminology is essential for the reader.
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.
American Academy of Achievement
Academy of Achievement: James D. Watson, ph.d.
A biography of James Dewey Watson who, along with Francis Crick, discovered the structure of DNA. They were awarded the Nobel Prize for Physiology and Medicine in 1962. Watson was later the first person to lead the Human Genome Project....
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.
University of California
Ucmp: Computer Model of Dna
A slight departure from the classic view of DNA showing that the molecule is not exactly a twisted ladder. Good image and explanation to go with it.
TED Talks
Ted: Ted Ed: Dna: The Book of You
This video explains how DNA works and what it does, relating it to an instruction manual for building an organism. [4:29] Followed by a short quiz and a list of additional resources to explore.
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.
TED Talks
Ted: Ted Ed: James Watson on How He Discovered Dna
Nobel laureate, James Watson, discusses the story of how he and his research partner, Francis Crick, discovered the structure of DNA and identified the genetic components for many diseases. [20:15]