A le pin won gege  bi irisi ati aye ti awon egbe onise won wa, bii alpha- (a-), beta- (b-), gamma- (g-) or delta- (d-) amino acid; awon eka toku ni lati se pelu opo, iwon pH ati onise iru  isomo egbe (aliphatic, acyclic, aromatic, ti o ni hydroxyl ati sulfur, ati beebee lo.).. 
Àwọn ọmọ orílẹ̀ èdè Nàìjíríà ti Ariwa kò fìkàn gba ti ọ̀làjú tí wọ́n sì n pèé ní Ilimin Boko ("èbù Èkó") tí wọ́n sì máa ń pe ilé ìwé ní Makaran Boko.Àwọn Ìtọ́kasí.. 