*NURSING > EXAM > BIO 242 FINAL EXAM 3 REVIEW 2023-24 SPRING- SUMMER SESSION VERIFIED EXAM WITH ANSWERS (All)
BIO 242 FINAL EXAM 3 REVIEW 2023-24 SPRING- SUMMER SESSION VERIFIED EXAM WITH ANSWERS
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1. How does the normal microbiota benefit the host (revisited in immunology, diseases)? Normal microbiota protect the host against potential colonization by pathogens Mutualism: both organism benefit... ➢ E. coli produce vitamin K, B ➢ Host give E. coli a place to stay (intestine) 2. Recurring topic. What are opportunistic pathogens? Under certain condition, normal microbiota change their relationship with the host EX: E. coli goes anywhere other than intestine cause infections 3. Briefly note the exceptions to each of Koch’s Postulates (the four postulates were first introduced in Ch. 1 – review the Exam 1 RQs)? [Show More]
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