Each messenger is an edited copy of one strand of the DNA double helix.
每个信使都是DNA双螺旋中一个单链的复制品。
The DNA is made up of two pieces of nucleotide chains, which is double helix structure with complementary pairing of the bases and winding each other.
沃森一起为脱氧核糖核酸的分子 结构提出了双 螺旋这种 螺旋模型。
Being as an important hereditary substance, DNA has the double helix, the two bonds composing the double helix are mating and connecting with each other through the purine and the pyrimidine.
作为重要的遗传物质,DNA为双螺旋结构,组成双螺旋的两条链由嘌呤和嘧啶通过氢键配对联系。
Those are two continuous strands that wind around each other to form the double helix.
这两股主链,相互缠绕形成双螺旋
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