Extinction+-+Week+3+-+Lec+2

Extinction+-+Week+3+-+Lec+2 - WEEKTHREE 8parts

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WEEK THREE 8 parts (think of this as a conversation, discussion or discourse) I. An Example of an Extinction Challenge II. But Wait, What is Extinction Anyway? III. One Possible Answer: The Relationship Between Life and Information IV. So, If We Start at the Beginning Then the Origin and History of Life Is Important V. Extinction: Past and Future VI. Geologic Time VII. The History of Extinction VIII. Extinction Causality
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8FFL!4-!1BSU!*7 6P-!*G!!8F!6UBSU!BU!UIF!#FHJOOJOH!5IFO!UIF!0SJHJO!BOE!)JTUPSZ!PG.JGF!*T! *NQPSUBOU
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Composition of DNA IV. A. 1. Replicators
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Composition of RNA IV. A. 1. Replicators
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IV. B. 4. RNA World Ribozymes (also called RNA enzyme or catalytic RNA) This is RNA that can catalyze a chemical reaction. Tetrahymena ribozyme cuts longer strand of RNA into two pieces Information and catalysis! hammerhead ribozyme
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IV. B. 4. RNA World Charged clay surface attracts nucleotides to allow bonds to form and polymerization of RNA. Montmorillonite Clay
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RNA World: A Theatrical Production IV. B. 4. RNA World
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IV. B. 4. RNA World Replicase -a ribozyme that can copy other RNA R R
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IV. B. 5. Protocells R R Compartmentalization R
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IV. C. Three Domains of Life
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IV. C. 1. Bacteria SEM of Vibrio cholerae Bacteria
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IV. C. 2. Archaea Drawing of Haloquadratum walsbyi Archaea
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IV. C. 3. Eukaryota Eukaryota
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IV. D. The Search for LUCA or the Root of the Tree of Life L ast U niversal C ommon A ncestor
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IV. D. 1. Endosymbiosis Mitochondria Chloroplasts organelles found in eukaryotes with their own genome and likely a bacterial origin
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IV. D. 2. “Fusion” Could eukaryotes be the result of fusion of archaeon and bacterium?
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IV. D. 3. The “Major Transitions”
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8FFL!4-!1BSU!7 &YUJODUJPO;!1BTU!BOE!'VUVSF
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human history has divinely ordained meaning meaning is embedded within sacred texts
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This note was uploaded on 11/20/2011 for the course SCIENCE 070:111 taught by Professor Romero during the Fall '09 term at Rutgers.

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Extinction+-+Week+3+-+Lec+2 - WEEKTHREE 8parts

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