1.

Which enzyme was obtained in a crystalline form first of all? (a) Urease (b) Catalase (c) Amylase (d) Aldolase

Answer»

The answer is (a) Urease

It plays an essential function for survival, neutralizing gastric acid by allowing urea to enter into periplasm via a proton-gated urea channel. The presence of urease is used in the diagnosis of Helicobacter species.



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