Gel electrophoresis is used for:

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(D) Gel electrophoresis is a technique used to separate charged molecules like $DNA$,$RNA$,or proteins based on their size and charge.In the context o

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Separation of $DNA$ fragments according to their size

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(D) Gel electrophoresis is a technique used to separate charged molecules like $DNA$,$RNA$,or proteins based on their size and charge.In the context of $DNA$ technology,it is specifically used to separate $DNA$ fragments based on their size.Under an electric field,$DNA$ fragments (which are negatively charged) move towards the anode through a matrix (usually agarose gel).Smaller fragments move faster and travel further through the gel pores compared to larger fragments,allowing for effective separation.

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