1•Microbial Evolution•Microbial Lecture 2BBOM 11e Sec. 2.3, 11.1 - 11.2•Virtual Field Trip to Mars via Cal Tech/JPL•Theories on the origin of life and how cells evolved •Theories on the origin of life and how cells evolved •Hard evidence for life on early Earth•Hard evidence for life on early EarthArrival from space during age of heavy bombardmentExperiments byStanley Miller 1957Miller & Urey 1959And others since•Enough CH4& NH3to form amino acids & NA bases?•Polymerization mechanisms in solution?(Mineral surfaces? Clay?)The “Organic Soup” TheoryThe “Organic Soup” Theory
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