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.
Agarose gel electrophoresis is suitable for ALL DNA.
agarose helps in the separation of DNA bands by controlling the pore size of agarose gel
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.
No, the agarose gel is just a polysaccharide.
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A. J. Houtsmuller has written: 'Agarose-gel-electrophoresis of lipoproteins' -- subject(s): Blood protein electrophoresis, Electrophoresis, Gel electrophoresis, Lipoproteins
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.
it is a technique that separated dna according to its size.
For larger molecules like proteins we use polyacrylamide gel electrophoresis (PAGE). For smaller pieces like DNA we use agarose gel electrophoresis
to vizualise DNA after Agarose gel electrophoresis
size of the DNA