Microbial interactions with humans - normal human-microbial interactions - micro-flora of the gastrointestanal tract

4 important questions on Microbial interactions with humans - normal human-microbial interactions - micro-flora of the gastrointestanal tract

Why is the stomach a chemical barrier to the entry of microorganisms into the gastrointestinaltract?

Becasue stomach fluids are highly acidic

Which important vitamins are produced by intestinal microorganisms?

Vitamin K and B12

What are product generated by the activity of fermentative bacteria?

  • Vitamin synthesis
  • gas production
  • glycosidase production
  • odor production (geur)
  • steriod methabolism
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What is the danger of the absence of a full complement of normal flora in your intestinals?

Pathogens sush as antibiotic resistant bacteria en yeasts can bacome established and can affect digestive functions or cause disease.

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