MCB lecture 3 topics: milestones on the history of MCB as a science, people significant in the development of MCB as a science, Koch's principles and exceptions
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Mcb lecture 3
1. Quiz # 2 1. Complete the table: (10 points) 2. Name the associated M.O. with the following conditions: gastric ulcer, diabetes, female infertility (3 points) 3. Differentiate between 1st Golden Age of MCB and 2nd Golden Age of MCB (2 points) group of M.O. uni/multicellular prokaryotic/ eukaryotic specific name of study (bonus, 0.20 points each)
28. exceptions to Koch’s Postulates certain pathogens do not grow on artificial medium,ex: MO for syphilis, leprosy --obligate intracellular pathogens require living host cells, therefore propagate M. leprae in armadillos, Treponema pallidum for syphilis in testes of rabbits many pathogens are species-specific some diseases are synergistic infections, caused by 2 or more M.O.. ex: acute necrotizing ulcerative gingivitis and bacterial vaginosis some pathogens become altered when grown in vitro, i.e. less or non-pathogenic some diseases are not caused by MO