Lecture #01 - BioMI 290 General Microbiology Lectures Fall...

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1 General Microbiology Lectures Fall 2007 General Microbiology Lectures Fall 2007 BioMI 290 BioMI 290 Lecture 1 Lecture 1 Read: Syllabus, BBOM 11e Sec. 1.1-1.4 Read: BBOM 11e Sec. 11.1-11.2 Introduction Introduction History of Life on Earth History of Life on Earth
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2 Should you take this course? Read Sections 1.1-1.4 in the text book (BBOM 11e). If you find this information interesting and it is at least somewhat familiar to you -- take this course. If not — this course may not be for you. Contact Dr. Ghiorse with special questions. A Quick Test Is There Life on Other Planets? Is There Life on Other Planets?
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3 3.6 Billon years (GY)* Mostly microbial!! The History of Life on Earth of Life on Earth *1GY (Gigayear) = 10*9 Years =1,000 million years (a.k.a 1Ga = Giga-annum) Initial Conditions For Life (~4.2-3.8 Ga) (Prebiotic Chemistry) Hot Water!! Anoxic Atmosphere ( CH 4 , CO 2 , N 2 , NH 3 , CO, H 2 ) Earth Forms ~ 4.6 GY ago The Young Inorganic Earth The Young Inorganic Earth UV Radiation Lightning Storms Heavy Bombardment
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  • Fall '07
  • GHIORSE
  • Microbiology, Ancient Microbial Life, A.k.a Prebiotic synthesis, General Microbiology Lectures, Young Inorganic Earth

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