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DNA On A Chain Lab Activity: Extraction and Isolation Laboratory With a New Twist |
Display Your DNA |
Developed in partnership with Brookhaven National Laboratory, this DNA extraction lab involves a fun twist that both simplifies the process and guarantees success. Students swish a popular sports drink you provide in their mouth to break open or lyse their own cheek cells. This fluid is then added to a detergent containing sodiumdodecyl sulfate (SDS), and heated to break down the fats and proteins of the cell membrane. Ethanol is gently added to the solution to reveal the DNA precipitate. Once isolated, students can display their own DNA using the colorful cord and microcentrifuge tubes included and glass vial necklaces, available separately. Includes instructions and materials for 30 students. Note: A hot water bath is recommended.
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