Explore stretching just a single strand of DNA using optical tweezers or fluid flow. Experiment with the forces involved and measure the relationship between the stretched DNA length and the force required to keep it stretched. Is DNA more like a rope or like a spring?
Topic: Stretching DNA
Product: PhET Labs Interactive Simulations
Vendor: PhET Labs
Link to Lab: Stretching DNA
Reviews: Peer Reviews in MERLOT
MERLOT Resources: MERLOT material detail page for PhET Labs
Instructional materials: instructor and lab manuals available online from PhET Websites.
Description: All of PhET simulations are extensively tested and evaluated.