Back بنية الحمض النووي Arabic Estructura de l'ADN Catalan Estructura del ácido nucleico Spanish Նուկլեինաթթվի կառուցվածք Armenian Conformazioni del DNA Italian 核酸構造 Japanese Nucleïnezuurstructuur Dutch DNK topologija Serbo-Croatian Struktura nukleinske kiseline Serbian DNA'nın yapısı Turkish
Nucleic acid structure refers to the structure of nucleic acids such as DNA and RNA. Chemically speaking, DNA and RNA are very similar. Nucleic acid structure is often divided into four different levels: primary, secondary, tertiary, and quaternary.