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The structure of DNA, consisting of two DNA strands that join together and form a helical shape.
DNA的一种结构,由两条链组成,两条链结合在一起产生螺旋形。
youdao
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The structure of DNA, consisting of two DNA strands that join together and form a helical shape.
DNA的一种结构,由两条链组成,两条链结合在一起产生螺旋形。
youdao