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Topic: Nirenberg and Matthaei experiment


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In the News (Sun 20 Dec 09)

  
 MSN Encarta - Genetics
In 1928 British microbiologist Frederick Griffith ran a series of experiments on two strains of bacteria, one that kills mice and another that is harmless to them.
The experiments of Hershey and Chase convinced most scientists that DNA was the molecule of heredity, but many questions about the structure and mechanisms of DNA remained.
Their experiments demonstrated the mechanisms of replication by tracking DNA containing a heavy nitrogen isotope through a series of replications.
encarta.msn.com /encyclopedia_761563786_10/Genetics.html   (1742 words)

  
 Timeline of scientific experiments - LearnThis.Info Enclyclopedia   (Site not responding. Last check: 2007-10-20)
See also Timeline of scientific discoveries, Timeline of technological discoveries, List of timelines of Science and Technology, List of famous experiments.
1955 - Clyde L. Cowan and Frederick Reines confirm the existence of the neutrino in the neutrino experiment
1958 - Meselson-Stahl experiment proves that DNA replication is semiconservative
encyclopedia.learnthis.info /t/ti/timeline_of_scientific_experiments.html   (548 words)

  
 Timeline of scientific experiments - Open Encyclopedia   (Site not responding. Last check: 2007-10-20)
The Timeline below shows the date of publication of major scientific experiments.
1952 - Alfred Hersey and Martha Chase: Hershey-Chase experiment proves that DNA is the hereditary material
1974 - Stanley Milgram: Milgram experiment on obedience to authority
open-encyclopedia.com /Timeline_of_scientific_experiments   (528 words)

  
 The page cannot be found   (Site not responding. Last check: 2007-10-20)
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www.absoluteastronomy.com /encyclopedia/n/ni/nirenberg_and_matthaei_ex...   (121 words)

  
 Gene
During that year, three botanists, Hugo de Vries, Carl Correns, and Erich Tschermak, reported on their breeding experiments of the late 1890s and claimed to have confirmed the regularities in the transmission of characters from parents to offspring that Mendel had already presented in his seminal paper of 1865 (Olby 1985, 109-37).
As late as 1933, on the occasion of his Nobel address, he declared: “At the level at which the genetic experiments lie it does not make the slightest difference whether the gene is a hypothetical unit, or whether the gene is a material particle” (Morgan 1935, 3).
Kühn viewed his experiments as the beginning of a reorientation of what he perceived as the new preformationism of transmission genetics of his day.
plato.stanford.edu /entries/gene   (9187 words)

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