1·The DNA molecule is a double helix, resembling a ladder that's been twisted along its length.
DNA（脱氧核糖核酸）的分子是一种双螺旋结构，酷似一架沿纵向扭曲的梯子。
2·Whether we really understand DNA is debatable, but Francis Crick and James D. Watson published the first of many papers describing the double helix structure on this day in 1953.
我们是否真正了解了DNA仍值得商榷，但1953年的这一天，弗朗西斯·克里克(Francis Crick)和詹姆斯·d·沃森发表了系列论文的第一篇，阐述了DNA的双螺旋结构。
3·The firstthree positions were filled by medical inventions or discoveries,the X-ray machine being followed by the discoveries of penicillinand the DNA double helix structure。
排在榜单三甲位置的发明都是医学领域的重大发明或发现。 紧随X光机之后的是盘尼西林(青霉素)的发明，以及DNA双螺旋结构的发现。
4·Morgan found from chromosomes are gene carrier, to DNA double helix discovery, you can read them out in the mystery of exhibition?
从摩尔根发现染色体是基因的载体，到DNA双螺旋结构的发现，你能在看完展览后说出其中的奥秘吗？
5·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。