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.

---

Definitions:

Electrons Stationary

Conceptually refers to electrons not moving or being in a static state within a material, although in reality, electrons are always in motion due to thermal energy.

Moisture

The presence of water or other liquid, in vapor form or as tiny droplets, within a substance or environment.

Charged Electroscope

A device used to detect the presence of electric charge, either positive or negative, by the movement of a metal foil.

Test Object

An item or device being subjected to an examination or experimental procedure to evaluate its properties or performance.