Characteristics of Azotobacter
Azotobacter is a genus of bacteria that live in soil and have the following characteristics:
Select the four statements that are true for bacteria in the genus Azotobacter.
a. They are poisoned by O2.
b. They appear purple after Gram staining.
c. They have a relatively thin layer of peptidoglycan in their cell wall.
d. They require amino acids or other organic molecules as a source of nitrogen.
e. They use O2 for cellular respiration.
f. They can carry out anaerobic respiration in an environment that lacks O2.
g. They are shaped like rods.
h. They have the appearance of coils or corkscrews.
i. They can convert atmospheric nitrogen to ammonia.
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