A scientist observes a bacterial specimen obtained from mud in a swamp. The bacteria are producing hydrogen sulfide (H2S) which creates a foul smell. What process is likely to be generating H2S? Group of answer choices
Fermentation
Anaerobic respiration
Aerobic respiration
Decay

Anaerobic respiration is the process of producing cellular energy without oxygen. Anaerobic respiration is a relatively fast reaction and produces 2 ATP, which is far fewer than aerobic respiration.

and hydrogen sulfide producing bacteria (H2S) comprise various groups of bacteria and archaea that obtain energy by reducing various compounds that possess sulfur in their molecule, including organic compounds (sulfur amino acids) and inorganic compounds with oxidized sulfur (such as sulfate, sulfite, thiosulfate

A scientist observes a bacterial specimen obtained from mud in a swamp. The bacteria are producing hydrogen sulfide (H2S) which creates a foul smell. What process is likely to be generating H2S? Group of answer choices Fermentation Anaerobic respiration Aerobic respiration Decay

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A scientist observes a bacterial specimen obtained from mud in a swamp. The bacteria are producing hydrogen sulfide (H2S) which creates a foul smell. What process is likely to be generating H2S? Group of answer choices
Fermentation
Anaerobic respiration
Aerobic respiration
Decay