• Thumbnail for Griffith's experiment
    Griffith's experiment, performed by Frederick Griffith and reported in 1928, was the first experiment suggesting that bacteria are capable of transferring...
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  • Thumbnail for Molecular biology
    This phenomenon is now referred to as genetic transformation. Griffith's experiment addressed the pneumococcus bacteria, which had two different strains...
    49 KB (5,554 words) - 06:34, 26 May 2025
  • bacterial pneumonia. In January 1928 he reported what is now known as Griffith's experiment, the first widely accepted demonstrations of bacterial transformation...
    18 KB (1,921 words) - 23:40, 11 February 2025
  • Thumbnail for Avery–MacLeod–McCarty experiment
    Frederick Griffith's studies bacteriologists believed that the types were fixed and unchangeable from one generation to the next. Griffith's experiment, reported...
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  • diffusible substance secreted by the mould (1928). Frederick Griffith demonstrates (Griffith's experiment) that living cells can be transformed via a transforming...
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  • Thumbnail for Melanie Griffith
    Griffith's father married model and actress Nanita Greene and had two more children: Tracy Griffith, who also became an actress, and Clay A. Griffith...
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  • Griffiths, "Electric Boogie" was written for her by Bunny Wailer in 1982. The song came about spontaneously after Wailer and Griffiths experimented with...
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  • Stern–Gerlach experiment, which demonstrates particle spin. 1920 – John B. Watson and Rosalie Rayner conduct the Little Albert experiment. 1928 – Griffith's experiment...
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  • An experiment is a procedure carried out to support or refute a hypothesis, or determine the efficacy or likelihood of something previously untried. Experiments...
    36 KB (4,606 words) - 12:37, 20 June 2025
  • Thumbnail for Marsh Chapel Experiment
    The Marsh Chapel Experiment, also called the "Good Friday Experiment", was an experiment conducted on Good Friday, April 20, 1962 at Boston University's...
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  • Thumbnail for Marcia Griffiths
    song came about spontaneously after Wailer and Griffiths experimented with a rhythm box that Griffiths had purchased in Toronto earlier that year. Wailer...
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  • Thumbnail for Streptococcus pneumoniae
    and Maclyn McCarty demonstrated that the transforming factor in Griffith's experiment was not protein, as was widely believed at the time, but DNA. Avery's...
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  • Thumbnail for Laugh track
    audience reactions; however, Griffith's experiment was too costly, and the network insisted on a Douglass laugh track. Griffith eventually compromised on...
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  • Thumbnail for Oswald Avery
    capsule, while the former lacked the capsule and was harmless. Griffith's experiment of 1928 showed that the ability to produce a capsule could be transferred...
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  • Thumbnail for Stern–Gerlach experiment
    In quantum physics, the Stern–Gerlach experiment demonstrated that the spatial orientation of angular momentum is quantized. Thus an atomic-scale system...
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  • Thumbnail for Miller–Urey experiment
    The Miller–Urey experiment, or Miller experiment, was an experiment in chemical synthesis carried out in 1952 that simulated the conditions thought at...
    70 KB (7,022 words) - 20:55, 19 June 2025
  • Thumbnail for History of genetics
    organism. In 1928, Frederick Griffith showed that genes could be transferred. In what is now known as Griffith's experiment, injections into a mouse of...
    32 KB (3,671 words) - 00:37, 20 June 2025
  • Thumbnail for Fred Neufeld
    This discovery led Fred Griffith to show that one pneumococcal type could be transformed into another (Griffith's experiment). Subsequently, Oswald Avery...
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  • Thumbnail for Horizontal gene transfer
    universality of the genetic code. Griffith's experiment, reported in 1928 by Frederick Griffith, was the first experiment suggesting that bacteria are capable...
    128 KB (13,959 words) - 22:12, 15 June 2025
  • of Ugarit is rediscovered. January – Frederick Griffith reports the results of Griffith's experiment, indirectly proving the existence of DNA. September...
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  • essentially redid Frederick Griffith's experiment. In 1953, Alfred Hershey and Martha Chase did an experiment (Hershey–Chase experiment) that showed, in T2 phage...
    58 KB (7,633 words) - 06:08, 22 June 2025
  • Thumbnail for Genetic engineering techniques
    had to be developed for its insertion into an organism's genome. Griffith's experiment had already shown that some bacteria had the ability to naturally...
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  • Thumbnail for Cowan–Reines neutrino experiment
    The Cowan–Reines neutrino experiment was conducted by physicists Clyde Cowan and Frederick Reines in 1956. The experiment confirmed the existence of neutrinos...
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  • Harrad Experiment is a 1973 coming-of-age film about a fictional school, named Harrad College, where the students learn about sexuality and experiment with...
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  • Frederick Griffith's experiment: showing that virulence was able to pass from virulent to non-virulent strains of Streptococcus pneumoniae, Griffith demonstrated...
    79 KB (8,981 words) - 18:21, 11 May 2024
  • of the first to develop a strong theoretical basis for the jet engine. Griffith's advanced axial-flow turbojet engine designs were integral in the creation...
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  • Thumbnail for 1928
    decade. January – British bacteriologist Frederick Griffith reports the results of Griffith's experiment, indirectly demonstrating that DNA is the genetic...
    133 KB (12,236 words) - 01:44, 8 June 2025
  • Mendel studied the inheritance of traits between generations based on experiments involving garden pea plants. He deduced that there is a certain tangible...
    41 KB (4,887 words) - 01:59, 20 March 2025
  • Thumbnail for Ruth Ella Moore
    the smooth (S) phase, and some had a mixed phase with both (see Griffith's experiment). R phase vaccines caused abscesses at the site of injection and...
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  • This is a list of episodes from the CBS television comedy The Andy Griffith Show. The first episode aired on October 3, 1960, and the final episode aired...
    114 KB (264 words) - 20:39, 7 April 2025