(NH2)2CO + 3H2O → CO2 + 2NH4OH
In 1926 James Sumner[?] shows that urease is a protein. Urease is found in bacteria, yeast and several higher plants.
Characteristics:
... of this strait. The Russians made their first permanent settlement on Sakhalin in 1857 as a Czarist penal colony; but the southern part of the island was held by th ...