You Have Isolated a Bacterium That Grows in a Medium

question 6

Multiple Choice

You have isolated a bacterium that grows in a medium containing only inorganic nutrients. Ammonia is oxidized to nitrate ion. This bacterium is

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

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Definitions:

Lymphatic Tissue

A part of the body's immune system, consisting of a network of tissues and organs that help rid the body of toxins and waste.

Microvilli

Structures found in the lining of the small intestine. They greatly increase the surface area of the small intestine so that it can absorb many nutrients.

Small Intestine

A long, coiled tube in the digestive system where most of the absorption of nutrients takes place.

Surface Area

The total area covered by the outer layer of an object, measured in square units.