Telegram group: T.me/BBCNOUN [CHM422] Compounds which occur in all cells and play a central role in their metabolism and reproduction are____ primary metabolite [CHM422] Terpenoids and steroids are vast group of substances and more than _____ of them are known 35,000 [CHM422] Natural product ___________has its history of use since the time of Alexander the Great sucrose [CHM422] The following are simple precursors useful in the biosynthesis of fatty acids except anthracene [CHM422] Terpenoids are derived biosynthetically from _______ isopentenyl diphosphate [CHM422] All steroids have a common _______ carbon skeleton in them tetracyclic [CHM422] Natural products which are nitrogenous bases and with over 12,000 examples known presently are_____ alkaloids [CHM422] A typical example of a secondary metabolite is____. alkaloid [CHM422] ____exert their biological effect within the cell or organism that is responsible for their production primary metabolites [CHM422] Discovery of ____ from willow tree extracts was one of the early benefit of natural product salicin