Why might the small intestine be more suitable for growth of facultative aerobes than the large intestine?
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The intestinal environment changes from oxygen rich to oxygen deficient gradually on descending down the intestinal tract. So Facultative aerobes can live in the small intestine.
Upon reaching to the large intestine it becomes almost anoxic, thus supports exclusively obligate anaerobes.
Upon reaching to the large intestine it becomes almost anoxic, thus supports exclusively obligate anaerobes.
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