Zetin na-akwalite nkewa sel ma nwee ike imetụta ọkwa ndị ọzọ nke okirikiri. Ọrụ ya gụnyere igbochi igbochi Chlorophyll na protein mebiri emebi, na-eji nwayọọ na-eme mkpọtụ, na-egbu oge na-egbu egbu, na ịkwalite nguzobe, na ịkwalite nguzobe na elu.

14-Hydroxylated nwere ike ime ihe ọkụkụ nke ọ bụla:

Na Mmepụta Ugbo, na-ahọrọ ihe ọkụkụ ziri ezi bụ otu n'ime ihe dị mkpa pụtara inye ndị na-akpata. N'okpuru ebe a bụ ụfọdụ ndị na-ahụkarị ma dị mma na ọrụ ha bụ isi.

Cytokinins sitere n'okike gụnyere: Kinetin (kt): kewapụrụ na mkpụrụ ndụ azụ na 1955, na-akwalite nkewa na cylortion, na-eme ka metabolism, na-eme ka metabolism, na protein syn.Dihydroin.DHYDEIN (DHz): Nke ahụ na Zein, ọ bụkwa onye sitere n'okike Matokin.