Teach Engineering
Imagining DNA Structure
Let's get a closer look at DNA and other molecular structures. The first lesson in the series of four introduces a variety of imagining techniques that engineers and scientists use to visualize molecular structures. The resource presents...
Cold Spring Harbor Laboratory
The DNA Molecule Is Shaped like a Twisted Ladder
One of the first models of DNA appeared to be a triple helix. Young scientists learn about the many scientists who worked to find the shape of DNA. They observe multiple models, tests, and experiments to understand the conclusions. An...
Biology Junction
DNA and Replication
Enzymes proofread DNA, reducing the error rate to one in one billion base pairs. Learn about the important process and so much more with the help of a presentation. It opens with the history of DNA and the major scientific contributions...
Teach Engineering
Restriction Enzymes and DNA Fingerprinting
Show your class why restrictions aren't always a bad thing. In the third segment of a four-part series, the instructor develops the idea of restriction enzymes. Pupils learn how scientists use restriction enzymes in DNA analysis and DNA...
Kenan Fellows
Unit 1: Introduction to Biotechnology
Biotechnology is big! Introduce the uses of biotechnology to science scholars with a fascinating, fact-filled unit. The first installment in a series of four biotechnology units covers the role biotechnology plays in human and...
Biology Junction
Nucleic Acids
Genetic information transfers through nucleic acids, making these the chemical link that connects people to their parents and grandparents. Viewers determine the importance of both DNA and RNA after observing the presentation. Key...