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Scientist loading agarose gel to separate DNA fragments.

Scientist loading agarose gel to separate DNA fragments.
3 4 c m
40cm
actual image size: 32cm x 26cm

Description

Scientists use a technique called gel electrophoresis to sort DNA into size order, Great Ormond Street Hospital, London, May 2000. During gel electrophoresis, an electric field pulls the pieces of DNA through a jelly-like slab: a gel. Smaller pieces move through the gel quicker and travel further than larger pieces. Scientists treat the sorted DNA pieces with a chemical that makes them show up under ultraviolet light.

Image Details

Image Ref.
 
10322672

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