Which direction does DNA migrate on an agarose gel? Why? Toward the negative electrode, because the sugars in the DNA have a positive charge Toward the positive electrode, because the sugars in the DNA are coated with SDS when we run the gel Toward the positive electrode, because the sugars in the DNA have a negative charge Toward the negative electrode, because the phosphates in the DNA have a negative charge Toward the positive electrode, because the phosphates in the DNA have a negative charge
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Second, when we run an agarose gel electrophoresis, we apply an electric field to the gel. This electric field has a positive and negative electrode. Third, since DNA is negatively charged, it will migrate towards the positive electrode. Show more…
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