nucleobase-containing compound metabolic process heterocycle biosynthetic process aromatic compound biosynthetic process nucleobase-containing compound biosynthetic process GO:0034654 biological_process nucleobase, nucleoside, nucleotide and nucleic acid formation nucleobase, nucleoside, nucleotide and nucleic acid biosynthesis nucleobase, nucleoside, nucleotide and nucleic acid synthesis The chemical reactions and pathways resulting in the formation of nucleobases, nucleosides, nucleotides and nucleic acids. nucleobase, nucleoside, nucleotide and nucleic acid anabolism cellular nitrogen compound biosynthetic process organic cyclic compound biosynthetic process