Prokaryotes that can utilize oxygen if available, but do not require it, are called?
Correct answer: B. Facultative anaerobe
- A. Constitutive anaerobe
- B. Facultative anaerobe
- C. Constitutive aerobe
- D. Obligate anaerobe
Explanation
A facultative anaerobe is any organism that is able to produce energy aerobically and ''switch to anaerobic respiration depending on the amounts of oxygen in the environment.''
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