Chapter 14 Study Guide.pdf - Chapter 14 Study Guide To be prepared for the in class quiz and assignments please answer the following questions by

Chapter 14 Study Guide.pdf - Chapter 14 Study Guide To be...

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Chapter 14 Study Guide To be prepared for the in class quiz and assignments, please answer the following questions by reading the text or listening to lecture videos. Section 14.1 How do we first acquire our microbiome? Through the placenta and amniotic sac, birth canal Meconium passed before its first meal contains bacteria Usually colonize where the body interfaces with the external environment Microbial metabolites influence human health and development Why do we have different microbes in different body sites? Skin, mouth, genitourinary tract, and intestines are prominent places for bacterial ecosystems Different sites mean different ways that bacteria derives its energy Lysozyme degrades bacterial peptidoglycan Why do we need different populations of bacteria in our gastrointestinal tract? Different bacteria attach to different host cell receptors Different food sources in the intestine supports diversity as well Majority of intestinal flora consists of the phyla Bacteroidetes and Firmicutes Helicobacter pylori colonizes the stomachs of half the world’s population Vibrio cholerae is the causative agent of cholera. Cannot grow in acidic pH but can in basic. What are some ways we can upset the balance in our gastrointestinal tract? If the microbes accidentally escape into nearby tissue when they don’t stay put
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  • Spring '13
  • J.Cunningham

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