Neisseria Species Use Dissimilatory Reduction of Nitrate to Ammonium

question 27

Multiple Choice

Neisseria species use dissimilatory reduction of nitrate to ammonium. How can this reaction be used to distinguish Neisseria gonorrhoeae from other related species?

• A) N. gonorrhoeae will test negative for terminal NO reductase.
• B) N. gonorrhoeae will test positive for terminal NO reductase.
• C) All Neisseria species test negative for terminal NO reductase.
• D) All Neisseria species test positive for terminal NO reductase.
• E) None of the enzymes involved in dissimilatory reduction of nitrate are known from species of Neisseria.

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