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What does dye front indicate in gel electrophoresis?

Answer and explanation

Correct answer: Progress of sample migration through the gel

The coloured leading edge of the loading dye, called the dye front, is a visual marker of how far electrophoresis has progressed through the gel. It helps determine when to stop the run before the samples migrate off the gel. It does not indicate restriction-enzyme activity or the DNA sequence. Exam tip: do not confuse the dye front with a DNA band; it is mainly used to monitor run progress.

Related tags

Gel ElectrophoresisDye FrontLoading DyeDna MigrationRecombinant Dna TechnologyCutting Of DnaProcesses Of Recombinant Dna TechnologyBiotechnology

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