cassiesatarrett cassiesatarrett

19-04-2018
Biology

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In gel electrophoresis, DNA fragments move across a gel. What causes them to move?

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tionnapacker tionnapacker

19-04-2018

Because each DNA molecule is negatively charged, it can be pulled through the gelby an electric field. Small DNA molecules move more quickly through the gel than larger DNA molecules. The result is a series of 'bands', with each band containingDNA molecules of a particular size.

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adefioyelaoye adefioyelaoye

22-06-2022

In gel electrophoresis, DNA fragments move across a gel as a result of the electric current.

What is DNA?

This is referred to as deoxyribonucleic acid and have a negative charge present in the molecule.

The electric current moves the negatively charged DNA to the positive electrode during gel electrophoresis.

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