Three historical figures Biographical Sketch of pile Dewey Watson crowd together D. Watson is best known for his discovery of the coordinate of deoxyribonucleic acid (deoxyribonucleic acid), for which he sh atomic number 18d with Francis Crick and Maurice Wilkins the 1962 Nobel Prize in Physiology or Medicine. They proposed that the DNA tittle takes the shape of a double helix, an elegantly elementary structure that resembles a gently twisted ply. The rails of the ladder are made of alternating units of phosphate and the sugar deoxyribose; the rungs are separately composed of a pair of nitrogen-containing nucleotides.
Salk, Jonas (Edward) 1914 -- 1995 Immunologist; born in rising York City. He began his pathbreaking studies on viruses and immunization by scratch course with the influenza virus while at the University of Michigan (1942--47). At the University of Pittsburgh (1947--63) he developed the first vaccination against poliomyelitis, a killed-virus vaccine, introduced to the humanity in 1953. (By 1961, and after some r...If you want to get a full essay, order it on our website:
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