(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:
... Western Europe. In 1535 Charles won an important victory at Tunis, but in 1536 Francis I of Spain allied himself with Suleiman against Charles. While Francis was persuaded ...