EOG87SVVR	GO:0016117	3/10	carotenoid biosynthetic process	biological_process	"The chemical reactions and pathways resulting in the formation of carotenoids, tetraterpenoid compounds in which two units of 4 isoprenoid residues joined head-to-tail are themselves joined tail-to-tail." [GOC:go_curators]
EOG87SVVR	GO:0055114	3/10	oxidation-reduction process	biological_process	"A metabolic process that results in the removal or addition of one or more electrons to or from a substance, with or without the concomitant removal or addition of a proton or protons." [GOC:dhl, GOC:ecd, GOC:jh2, GOC:jid, GOC:mlg, GOC:rph]