The DNA is made up of two pieces of nucleotide chains, which is doublehelixstructure 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。
2
An article on the letters was published Wednesday in the journal Nature, focusing on those related to the discovery of DNA's doublehelixstructure in 1953.
信件里的一段文章在周三由自然杂志刊发，内容侧重于与1953dna双螺旋结构的发现有相关的模型。
3
The firstthree positions were filled by medical inventions or discoveries,the X-ray machine being followed by the discoveries of penicillinand the DNA doublehelixstructure。