Arginine ni o maa n je ki iseda yi bere.Idakeji re ni ifi omi tu egbe  acetyl ka, lowo enzyme ti o n je hydrolase.NAcGlu so carbamoyl phosphate synthetase di asise ninu urea cycle.Tun wo  Glutamate Glutamic acidAwon itokasiAwon ajapo latita Ayoka kukuru.. 
Gbajúmọ̀ kan tí ó jẹ́ ọmọlẹ́yìn ẹ̀sìn yìí ni ọmọ akọ̀wé àkàkọ́gbọ́n ará America, John Steinbeck.. 