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nue.okstate.edu - Urea, Urease, an enzyme that catalyzes the hydrolysis of urea, is abundant in soils. Large numbers of bacteria, fungi, and actinomycetes in soils possess urease. ...  
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www.ureacycle.comwww.chemicalregister.comwww.footamerica.comwww.gilgames.com.aujpen.aspenjournals.org