Chemical Ingredients [Chemical/Ingredient] Nucleic Acids, Nucleotides, and Nucleosides [Chemical/Ingredient] D009706 C26930 Complex compounds of high molecular weight occurring in living cells. These are basically of two types, ribonucleic (RNA) and deoxyribonucleic (DNA) acids, both of which consist of nucleotides (nucleoside phosphates linked together by phosphate bridges). Nucleic Acids, Nucleotides, and Nucleosides 7579 N0000008282 C0028622 Nucleic Acids, Nucleotides, and Nucleosides M0015067