Ihomoni yokukhula liyeza leprotheyini. Ekubeni umsebenzi weeprotheyini awukwazi ukumiselwa ngokuqhelekileyo, utshintsho kwisakhiwo sendawo yeeprotheyini, ngokukodwa ukungahambelani kweebhondi ze-disulfide, kunokuchaphazela umsebenzi we-biological of proteins kwaye ngaloo ndlela kuchaphazela ukusebenza kweziyobisi zeeprotheni, kwaye umsebenzi othile unokubonisa le meko. Umsebenzi othile ubhekiselele kwiyunithi yomsebenzi webhayoloji ngemiligram yeprotheyini, eyisalathiso esibalulekileyo samachiza eprotheyini aphinda aphinda adibane nowahlukileyo kumachiza ekhemikhali. Ukufunyanwa kwezinto ezithile zomsebenzi akunakubonisa kuphela ukuzinza kwenkqubo yokuvelisa, kodwa kwakhona uthelekise umgangatho wemveliso efanayo eveliswa ngeendlela ezahlukeneyo zokuvakalisa kunye nabavelisi abahlukeneyo. Umsebenzi othile ophezulu ubonisa ukuba iteknoloji yokuvelisa imveliso ihamba phambili, ubunyulu buphezulu kwaye umgangatho ungcono.

Njengoko i-ejenti ye-hormone yokukhula iphinda iphuculwe kwiimveliso ezintsha, i-agent entsha yesizukulwana sesibini sokukhula ayinayo i-preservatives, kungekhona nje ukusombulula ingxaki ye-injection ye-preservatives eyongeziweyo, iphinde igweme ukusetyenziswa kwe-phenol yokukhusela ixesha elide kunokuzisa umonakalo we-DNA yentsholongwane. kunye ne-nervous embindini kunye nomngcipheko onokubakho wokulimala kwesibindi kunye nezintso, lolona khetho lungcono kusetyenziso lwechiza olukhuselekileyo lwezonyango.