What is the order of magnitude of the number of microorganisms in the human intestinal tract?...

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What is the order of magnitude of the number of microorganisms in the human intestinal tract? A typi- cal bacterial length scale is 10-6 m. Estimate the intes- tinal volume and assume 1% of it is occupied by bacte- ria. (b) Does the number of bacteria suggest whether the bacteria are beneficial, dangerous, or neutral for the human body? What functions could they serve? What is the order of magnitude of the number of microorganisms in the human intestinal tract? A typi- cal bacterial length scale is 10-6 m. Estimate the intes- tinal volume and assume 1% of it is occupied by bacte- ria. (b) Does the number of bacteria suggest whether the bacteria are beneficial, dangerous, or neutral for the human body? What functions could they serve?

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