Questions
Single choice
The commensal microbes that populate our gastrointestinal tract:[Fill in the blank]
Options
A.a. are immediately restored following disruption of the stable environmental niche.
B.b. may vary in composition throughout an individual’s lifetime.
C.c. require an aerobic environment to maintain a stable population.
D.d. derive nutrients by degrading the mucosal cell lining.

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Step-by-Step Analysis
The question asks about commensal microbes in the gastrointestinal tract and provides four options to choose from.
Option a: 'are immediately restored following disruption of the stable environmental niche.' This implies a rapid, complete re-establishment every time of a predefined community, which is not accurate because the microbiome composition ......Login to view full explanationLog in for full answers
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