Multiple choice

Which among the following is a manganese containing enzyme which is also considered as ubiquitous to all domains of life?

  1. Nitrilase

  2. Adenosine deaminase

  3. Arginase

  4. Urease

  5. Metalloendopeptidase

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C Correct answer
Explanation

Arginase is a manganese-containing enzyme. The reaction catalyzed by this enzyme is: arginine + H2O → ornithine + urea. It is the final enzyme of the urea cycle. It is ubiquitous to all domains of life.