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Unformatted text preview: 1 FROM SO SIMPLE A BEGINNING... CHEMISTRY AND THE ORIGIN OF LIFE Lecture 03 Cole Gilbert September 3, 2008 Biology Open House September 3, 2008 4:00 PM - 5:30 PM 216 Stimson Hall Meet Biology Faculty Meet representatives from Cornell Clubs: Pre-med/Pre-vet Organizations Ithaca Free Clinic Student Health Alliance at Cornell And many more Join us, explore bio and eat PIZZA!!! FROM SO SIMPLE A BEGINNING... CHEMISTRY AND THE ORIGIN OF LIFE Lecture 03 Cole Gilbert September 3, 2008 In the beginning God created the heaven and the earth. Genesis 1:1 2 Who painted this painting ? A. Da Vinci B. Caravaggio C. Michelangelo D. Titian E. Modigliani Any Scientific Theory of Origin.. By nature, speculative. Must be consistent with the laws of chemistry and physics. Must explain:. The process by which the first organic molecules could appear. The reason why this process does not operate now, but did once. How a molecule could replicate itself (the first replicator). How a molecule could evolve, including & origin of variation & natural selection Stars and planets being formed. Photo of Orion Nebula from Hubble Telescope Where were going 1. Dating the early Earth 2. Creating organic molecules 3. The RNA World Rocks older than 3.5 billion years (by) inferred actual Acasta gneiss 4.03 by Isua sediments 3.8 by Jack Hills zircons 4.4 by Earths oldest rocks Zircon crystals from sediments in Jack Hills, west-central Australia....
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This note was uploaded on 10/13/2009 for the course BIO G 1101 at Cornell University (Engineering School).