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when using gel electrophoresis to analyze samples of dna, which explanation best describes why some strands of dna travel further in the gel than others?
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when using gel electrophoresis to analyze samples of dna, which explanation best describes why some strands of dna travel further in the gel than others?

User Sam Elliott
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when an electric current is applied to the gel, DNA will migrate towards the positively charged electrode.
,
User Rex Logan
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