There is a gel (agarose) that is placed in abuffer-filled box and an electrical field is applied via a power supply. The negative terminal is at the far end (black wire), this causes DNA migrates toward the anode (red wire).
Gel electrophoresis is a method used to separate DNA, RNA, or proteins based on size and charge by applying an electric current to a gel matrix. This causes the molecules to migrate at different rates, allowing for their separation and subsequent analysis. Visualizing the separated molecules helps in various biological studies.
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