問題詳情

36. Which one of modifications is likely to alter the rate at which a DNA fragment moves through agel during electrophoresis?
(A) Altering the charges of the DNA fragment.
(B) Increasing or decreasing the length of the DNA fragment.
(C) Increasing the concentration of a gel.
(D) Methylating the cytosine base within the DNA fragment.
(E) All of the above.

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