Lecture 1- BILD 7 2009

Lecture 1- BILD 7 2009 - TEXT: The Coiled Spring: How Life...

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TEXT: The Coiled Spring: How Life Begins, by Ethan Bier COURSE WEBSITE: http://www.biology.ucsd.edu/classes/bild7.SP08
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Milestones of the Last Century Going to the moon Computer technology Communications technology ] ] ] ] Solving the structure of DNA and unraveling the mysteries of heredity
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R r R r R r R r R r R r R r
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DNA Carries the Code of Life How is genetic information (DNA) copied every time a cell divides? How is genetic information stored in DNA?
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DNA Carries the Code of Life In 1953, Watson and Crick discovered the structure of DNA DNA is composed of a double helix
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The Structure of DNA S = sugar P = phosphate B = base (A, G, C, T) - S - P - S - P - S - P - S - P - S - P - S - - S - P - S - P - S - P - S - P - S - P - S - B B B B B B B B B B B B
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DNA Contains Four Bases: A = Adenine G = Guanine T = Thymine C = Cytosine
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DNA Base Pairing Rules: A always pairs with T G always pairs with C
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The Structure of DNA S = sugar P = phosphate B = base (A, G, C, T) - S - P - S - P - S - P - S - P - S - P - S - - S - P - S - P - S - P - S - P - S - P - S - G C A T A T T A T A C G
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A G G C T A T C C A A G T A G G A T T C T C C G A T A G G T T C A T C C T A A G DNA Replication
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Lecture 1- BILD 7 2009 - TEXT: The Coiled Spring: How Life...

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