問題詳情
15. Which of the following modifications is least likely to alter the rate at which a DNA fragment movesthrough a gel during electrophoresis?
(A) neutralizing the negative charges within the DNA fragment
(B) altering the nucleotide sequence of the DNA fragment
(C) methylating the cytosine bases within the DNA fragment
(D) increasing the length of the DNA fragment
參考答案
答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增