3d image of geranylgeranyl pyrophosphate skeletal formula

geranylgeranyl pyrophosphate diterpenes diterpenoids biosynthesis intermediate carotenoids gibberellins tocopherols precursor chlorophylls geranylgeranylated protein human cells drosophila hmg-coa germ midgut epithelia attractant signal gonadal spermatozoa sperm chemoattractant rendering metabolite metabolism cycle mechanism pathway path catabolism biosynthetic biogenesis substrate synthesis derivative bioprecursor metabolic enzyme endogenous contractor bioactive cell biochemistry biology biomolecule