名词 nucleic acid:

1. (biochemistry) any of various macromolecules composed of nucleotide chains that are vital constituents of all living cells

nun.希腊文的第13个字母NU.abbr.未知名(=name unknown)；努纳武特(=Nunavut；加拿大北部地区)Nuiko缝子(名,日本)

1. DNA and RNA are both types of nucleic acid.
   脱氧核糖核酸和核糖核酸是两种类型的核酸。
2. Research Advances in Molecular Beacons for Nucleic Acids Probing.
   分子信标核酸检测技术研究进展。