亚硝酸盐可使dna的某些碱基脱去氨基碱基脱氨基后的变化如下c转变为ua转变为i现有一dna片段为经亚硝酸盐作用后若链�中的ac Template




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tomski亚硝酸盐可使dna的某些碱基脱去氨基碱基脱氨基后的变化如下c转变为ua转变为i现有一dna片段为经亚硝酸盐作用后若链�中的ac coloring