Multiple choice

Which of the following tests can be used to differentiate between Proteus mirabilis and Proteus vulgaris?

  1. Urease test

  2. Phenylalanine deaminase test

  3. Indole test

  4. Methyl red test

  5. Catalase test
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C Correct answer
Explanation

Proteus mirabilis and Proteus vulgaris can be differentiated by an indole test. Proteus vulgaris tests positive for indole test while Proteus mirabilis test negative for indole test.

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