Stretching DNA

Phet Labs written in Java must be viewed in Internet Explorer 11 (IE11)

Stretching DNA

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?

Discipline: Biology

Topic: Stretching DNA

Product: PhET Labs Interactive Simulations

Vendor: PhET Labs

Technical requirements: Java and Flash. Must be viewed in IE11.

Accessibility info: University of Colorado Boulder accessibility page.
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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.

Case studies: PhET Research Page
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