PO_Lecture_03 - Lecture 3 The History of Microbiology Read...

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Lecture 3 Microbial Phylogeny The Big Tree of Life Read: BBOM 11e Sec. 11.3 -11.6, 11.8 Finish Microbial Evolution: The Story of O 2 The Endosymbiont Hypothesis The History of Microbiology Read : BBOM 11e Sec. 1.5-1.7
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Read: BBOM 11e Sec. 1.5 -1.7 Answer Study Questions-Part II (Posted Friday AM) Early History of Microbiology Why is Pasteur’s famous swan-necked flask experiment so important? What are Koch’s postulates? 1 2 3 4 Who was the first person to see microorganisms in the microscope? Name the 19 th Century German botanist who is the “Founding Father of Bacteriology”
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Review Landmarks in Microbial Evolution Origin of O2 in Atmosphere Origin of Life Eukaryotes BBOM 11e Fig. 11.8 GY b.p. Prokaryotes
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The Benefits of Life Under Oxic (Aerobic ) Conditions Aerobic Respiration > Higher metabolic energy yield Ozone Shield > absorbs UV radiation > More complex (Eukaryotic) Life forms can evolve
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The O 2 Crisis of 2.2 GY Ago What was it? A “sudden” rise in
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PO_Lecture_03 - Lecture 3 The History of Microbiology Read...

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