. "\"The chemical reactions and pathways involving macromolecules, any molecule of high relative molecular mass, the structure of which essentially comprises the multiple repetition of units derived, actually or conceptually, from molecules of low relative molecular mass.\" [CHEBI:33694, GOC:mah]" . . "macromolecule metabolic process" . "macromolecule metabolism" . "biopolymer metabolic process" . .