You Have Isolated a Bacterium That Grows in a Medium

question 35

Multiple Choice

You have isolated a bacterium that grows in a medium containing an organic substrate and nitrate in the absence of oxygen. The nitrate is reduced to nitrogen gas. This bacterium is

• A) A chemoautotroph.
• B) Using anaerobic respiration.
• C) A photoautotroph.
• D) Gram- negative.
• E) A photoheterotroph.

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Definitions:

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