Structure and Nomenclature of Nucleic Acids NH2 N Shorthand notation N of a nucleic acid 0 ①aQCC3 NH RRROH NH2 5 Two major classes of nucleic acids: DNA and RNAStructure and Nomenclature of Nucleic Acids N N N N NH2 O O OH H H H H O P O O O- NH N N O NH2 N O OH H H H H O O P -O O- 5’ 3’ P P T P A P G P C OH C 5’ 3’ Shorthand notation of a nucleic acid Two major classes of nucleic acids: DNA and RNA