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The electricity pulls the polar DNA strands through the gel, and shorter DNA strands move farther because they are less inhibited by the gel. The gel acts as drag to separate the different length DNA strands, so different DNA creates specific dye bands.

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Q: Describe the function of electricity and the agarose gel in electrophoresis?
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Related questions

Is agarose gel electrophoresis suitable for only gram negative plasmid DNA?

Agarose gel electrophoresis is suitable for ALL DNA.


What is role of agarose of electrophoresis?

agarose helps in the separation of DNA bands by controlling the pore size of agarose gel


What is the function of agarose gel electrophoresis?

Agarose gel electrophoresis is for determining the size of a piece of RNA or DNA. It can be used to determine the culprit of a crime, relatives, even the cause of some diseases, like Mad Cow.


Are electrophoresis gels hazardous?

No, the agarose gel is just a polysaccharide.


Why agarose gel electrophoresis is not used for protein analysis?

eating


Preparation of 1 percent agarose gel or How to prepare 1 percent agarose gel?

Check the answer for How do you make an electrophoresis gel?


What has the author A J Houtsmuller written?

A. J. Houtsmuller has written: 'Agarose-gel-electrophoresis of lipoproteins' -- subject(s): Blood protein electrophoresis, Electrophoresis, Gel electrophoresis, Lipoproteins


Function of agarose in agarose gel electrophoresis?

Agarose is used in gel electrophoresis to separate nucleic acids (like DNA) by size, charge an other physical properties. Gel electrophoresis uses an electrical current to make particles move. For example, DNA is negative, so it'll travel towards to positive electrode of the gel box. Agarose has small pores through which a DNA can travel. Bigger fragments of DNA travel shorter distances, because it takes longer for them to navigate through the pores of the agarose gel. Identically sized pieces of DNA will travel the same distance, which is why you get bands (DNA with loading dye) after you run a a gel.


What is the principle for agarose gel electrophoresis?

it is a technique that separated dna according to its size.


what is the gel in Gel Electrophoresis?

For larger molecules like proteins we use polyacrylamide gel electrophoresis (PAGE). For smaller pieces like DNA we use agarose gel electrophoresis


What is the functions of UV transilluminator in genetic laboratory?

to vizualise DNA after Agarose gel electrophoresis


Factors that affect the rate of DNA migration in Agarose gels electrophoresis.?

size of the DNA