排列3

如何计算DNA片段的长度



在测量比细胞小得多的DNA片段的长度时,微生物学家需要技巧,而**方便的方法是凝胶电泳仪。此方法依赖于DNA片段带电的事实,它是更昂贵的方法(例如X射线晶体学)的替代方法,该方法负责发现DNA的双螺旋结构。

凝胶电泳的工作原理

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电泳基本程序

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确定未知片段的长度

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