Watson crick model - PowerPoint PPT Presentation

DNA

DNA. The Chemical Nature of Nucleic Acids. A German chemist, Friedrich Miescher, discovered DNA in 1869, only four years after Mendel’s work was published. Miescher extracted a white substance from the nuclei of human cells and fish sperm.

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Outline

Outline. Genetic Material Transformation DNA Structure Watson and Crick DNA Replication Prokaryotic versus Eukaryotic Replication Errors. Genetic Material. Frederick Griffith investigated virulence of Streptococcus pneumoniae

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Untold Story of Double-Helix Discover (Rosalind Franklin) &amp; Scientific Ethics 吳耿志 Feb. 19, 2011

Untold Story of Double-Helix Discover (Rosalind Franklin) &amp; Scientific Ethics 吳耿志 Feb. 19, 2011 West Windsor, NJ. Madame Curie. 1962 Nobel Prize in Chemistry  James Watson, Francis Crick, Maurice Wilkins DNA structure  Double helix.

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147 views • 12 slides

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Watson crick model - PowerPoint PPT Presentation

DNA

Outline

Untold Story of Double-Helix Discover (Rosalind Franklin) &amp;amp; Scientific Ethics 吳耿志 Feb. 19, 2011

Untold Story of Double-Helix Discover (Rosalind Franklin) & Scientific Ethics 吳耿志 Feb. 19, 2011