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[1] The Origins of Life I - a Liposomes 4 Self Replication...

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Lecture I– The Origins of Life I I. Early Earth Conditions A. Time-line of earth formation B. Reducing atmosphere II. How Did Life Start A. Alexandr Oparin’s origin of life outline 1. Abiotic synthesis of simple organic molecules a. Miller/ Urey experiments b. Hydrothermal vents c. Extraterrestrial origins? 2.. Monomers to polymers a. Clay minerals facilitate polymer formation 3. Protobionts
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Unformatted text preview: a. Liposomes 4. Self Replication a. RNA- the original unit of heredity 1. Self replicates 2. Self splices 3. Catalyzes 4. possess a phenotype and genotype III. The history of Life A. First cells appear ~3.5BYA B. The first chemoautotrophs 1. Sulfur (hydrothermal vents) 2. Methane (cold seeps) C. The first photoautotrophs 1. Stromatolites (3.5 BYA)...
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