One Unusual Feature of Pyrococcus Is That

question 59

Multiple Choice

One unusual feature of Pyrococcus is that

• A) it incorporates carbon dioxide via the acetyl-CoA pathway.
• B) it is very motile due to a tuft of polar archaealla.
• C) it incorporates carbon dioxide via the reverse citric acid cycle.
• D) it is a thermophilic aerobic chemoorganotroph that uses elemental sulfur.

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Definitions:

Poisonous Condition

A state of health impairment caused by the ingestion, inhalation, or absorption of toxic substances.

Potassium

An essential mineral and electrolyte necessary for the proper functioning of cells, nerves, and muscles in the body.

Excessive Amounts

Quantities that exceed what is normal, necessary, or reasonable.

Metabolism

The complex of life-sustaining chemical reactions in organisms, involving the processing or conversion of substances.