Enzyme

Enzymes waa biomolecules soo kiciya (ie, kordhiya heerarka) falcelinta kiimikada Ku dhowaad dhammaan enzymes-yada la yaqaan waa borotiinno. Si kastaba ha noqotee, maaddooyinka loo yaqaan 'RNA molecules' qaarkood waxay noqon karaan kuwo wax ku ool ah biocatalyst. Kuwani molecules RNA-ka waxaa loo yaqaanay ribozymes. Dareen-celinta enzymatic, moleculeyaasha bilowga hawsha waxaa loo yaqaan 'substrates', enzyme-na waxay u beddeleysaa moleculeyaal kala duwan, oo loo yaqaan 'products'. Ku dhowaad dhammaan geeddi-socodka unugyada noolaha waxay u baahan yihiin enzymes inay ku dhacaan heerar muhiim ah. Maaddaama ay enzymes-ku doortaan substrates-kooda ayna xawaareynayaan dhowr falcelin oo keliya oo ka imaan kara fursado badan, habka enzymes-ka ee lagu sameeyo unugga ayaa go'aamiya waddooyinka dheef-shiid kiimikaadka ku dhaca unuggaas.
Sida dhammaan kiciyeyaasha, enzymes waxay ku shaqeeyaan iyaga oo hoos u dhigaya tamarta firfircoonaanta (Ea ama ΔG?) Falcelin, sidaas darteed waxay si aad ah u kordhineysaa xaddiga falcelinta. Inta badan heerarka falcelinta enzyme-ka ayaa malaayiin jeer ka dhakhso badan kuwa ka falcelinta falcelinnada aan la kallifayn karin.