Gel Electrophoresis

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Student exercise -mix and match stages of gel electrophoresis.

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Gel Electrophoresis

  1. 1. Gel Electrophoresis Gel electrophoresis is a way of visualizing how DNA has been cut up by separating DNA fragments according to their size. The process uses some basic properties of DNA and of the gel setup. Match the five bullet pointed statements with a reason from the second column and an outcome from the third column. Rewrite the sentences because they can conduct electricity so DNA will move on the The porous agarose gel is agarose gel used. Because they move through the pores so DNA will move on the Buffer solutions containing less easily agarose gel ions are used. because they move through the pores so they travel the shortest DNA is negatively charged more easily. distance. because it allows the DNA to move so DNA will move towards a Smaller fragments move through the pores. positive electrode faster because of the phosphate groups in the so they travel the furthest Larger fragments move more backbone slowly

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