The nitrogen-fixing enzyme system, nitrogenase, is found exclusively in
A) plants
B) bacteria
C) some viruses
D) eukaryotic organisms
E) mammals

Name: The nitrogen-fixing enzyme system, nitrogenase, is found exclusively in A) plants B) bacteria C) some viruses D) eukaryotic organisms E) mammals
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Quizplus · Accepted Answer

Nitrogenase, the enzyme system responsible for nitrogen fixation, is found exclusively in certain bacteria, including both free-living bacteria and those that form symbiotic associations with plants.

The Nitrogen-Fixing Enzyme System, Nitrogenase, Is Found Exclusively in