You have isolated a bacterium that grows in a medium containing only inorganic nutrients.Ammonia is oxidized to a nitrate ion.This bacterium is
A)gram-negative.
B)using anaerobic respiration.
C)a chemoautotroph.
D)a photoautotroph.
E)a photoheterotroph.

Question

Quizplus · Accepted Answer

The bacterium is able to use inorganic nutrients and oxidize ammonia to nitrate ions. This indicates that it is a chemoautotroph, meaning it obtains energy from inorganic compounds and can synthesize its own organic compounds from carbon dioxide.

You Have Isolated a Bacterium That Grows in a Medium