Select The Four Statements That Are True For Bacteria In The Genus Azotobacter.

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Select The Four Statements That Are True For Bacteria In The Genus Azotobacter.

They are bacilli. They are gram-negative. They are obligate aerobes. They can fix nitrogen. (Unlike some other nitrogen-fixing bacteria, which associate with the roots of plants, Azotobacter species are free-living.) Select the four statements that are true for bacteria in the genus Azotobacter.
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They can convert atmospheric nitrogen to ammonia. They have a relatively thin layer of peptidoglycan in their cell wall. They use O2 for cellular respiration. They are shaped like rods.

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