What is the effect of viscosity on the movement of DNA fragments in strawberry jelly?

Asked on 10.12.2018 in All Questions.
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Gel electrophoresis is a procedure widely used in the separation of biological molecules (such as DNA, RNA and proteins) according to their size and charge. The technique involves running an electrical current through the gel (acting as a sieve) which then pulls the molecules of interest through it, as they hold a charge. The phosphate molecules in DNA give it its negative charge and hence the DNA molecules will be pulled through the matrix to the anode. All DNA molecules have the same amount of charge per mass and so the electrophoresis of such fragments means that they are separated by size only. They travel through...
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