negative regulation of isoprenoid metabolic process +
olefin metabolic process +
phenanthrene metabolic process +
polyprenol metabolic process +
positive regulation of isoprenoid metabolic process +
prenol metabolic process +
regulation of isoprenoid metabolic process +
styrene metabolic process +
terpene metabolic process +
The chemical reactions and pathways involving terpenes, any of a large group of hydrocarbons that are made up of isoprene (C5H8) units which may be cyclic, acyclic or multicyclic, saturated or unsaturated, and may contain various functional groups.