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Summary
An illustration of the polymerase chain reaction (PCR). Step 1: Solution is heated to 95°C to denature ("unzip") the two strands of the target DNA (A). Step 2: Solution is cooled to ~55°C to allow the primers to anneal (bind) to the ends of the DNA strands (B). Step 3: Solution is reheated to ~75°C to allow TAQ polymerase to synthesize complementary copies of each strand. Click image for larger view.
Copyright status
This image is public domain, because it is National Oceanic and Atmospheric Administration and U.S. Department of Commerce.
Source
http://oceanexplorer.noaa.gov/explorations/04etta/background/dna/dna.html
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment |
|---|
| current | 18:52, 6 March 2007 |  | 600 × 698 (163 KB) | Elee | |
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