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A prokaryote is most likely to use which of the following modes of metabolism to release energy if it is in an environment without oxygen, dies when exposed to oxygen, and uses fermentation?

A. Photoautotroph
B. Facultative anaerobe
C. Heterotroph
D. Obligate anaerobe

1 Answer

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Obligate anaerobe. Obligate anaerobes metabolise energy by anaerobic respiration or fermentation and obligate anaerobes die in the presence of oxygen.
User Kumar Manglam
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