BIO 311C_F08_Chapter 27 - Chemical evolution and...

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Chemical evolution and Prokaryotic cells Relevant aspects of pages from Chapter 25 (507-509) and Chapter 27 (556-561) Some slides adapted from: gasp.med.harvard.edu/micro200/Kolter/Kolter3.ppt
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Chemical evolution hypothesis Process whereby simple molecules containing C, H, O, N undergo complex chemical reactions to form organic compounds with C-C bonds Process triggered by energy source
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Oparin-Haldane theory Production of small compounds – formaldehyde and HCN Formation of amino acids, sugars, nitrogenous bases Accumulated in “Prebiotic soup” – oceans Formation of macromolecules Life became possible when one of the molecules could copy itself – biological evolution
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Can complex organic compounds be synthesized from simple molecules present on ancient earth?
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Miller-Urey Experiment - 1953 Chapter 4 page 59
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Miller-Urey Experiment CH4, NH3, H2 Atmosphere Compds formed including Hydrogen cyanide, formaldehyde, eventually forming amino acids and other organic compounds
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This note was uploaded on 09/13/2009 for the course BIO 159593 taught by Professor Latham during the Winter '08 term at University of Texas at Austin.

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BIO 311C_F08_Chapter 27 - Chemical evolution and...

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