问题 问答题

对一双链DNA而言,若一条链中(A+G)/(T+C)=0.7,则:

若一条链中(A+T)/(G+C)=0.7,则互补链中(A+T)/(G+C)=

答案

参考答案:假设同(1),则A α+T α=Tβ+A β,G α+Cα=C β+G β
∴(A α+Tα)/(Gα+Cα)=(Tβ+Aβ)/(Gβ+Cβ)=0.7

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