DNA that is negatively charged can be drawn in that direction toward the gel's positive field. As they move through the gel, smaller fragments travel further and faster than larger fragments.
What is agarose gel?
Agarose gel is a type of gel that is prepared from agarose particles. It is set in a container by adding warm water to it. A three-dimensional block is prepared which contains pores and channels to pass out biomolecules.
DNA is a genetic material that is a long fragment of bases and a hydrogen backbone. They are separate in agarose gel electrophoresis. When an electric current is given to the gel, the molecules move according to their size.
Thus, agarose gel separates the different sizes of fragments, as smaller fragments move faster than the larger fragments.
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