James watson biography dna polymerase
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Meanwhile, even as Miescher's name fell into obscurity by the twentieth century, other scientists continued to investigate the chemical nature of the molecule formerly known as nuclein. One of these other scientists was Russian biochemist Phoebus Levene. A physician turned chemist, Levene was a prolific researcher, publishing more than 700 papers on the chemistry of biological molecules over the course of his career. Levene is credited with many firsts. For instance, he was the first to discover the order of the three major components of a single nucleotide (phosphate-sugar-base); the first to discover the carbohydrate component of RNA (ribose); the first to discover the carbohydrate component of DNA (deoxyribose); and the first to correctly identify the way RNA and DNA molecules are put together.
During the early years of Levene's career, neither Levene nor any other scientist of the time knew how the individual nucleotide components of DNA were arranged in space; discovery of the sugar-phosphate backbone of the DNA molecule was still years away. The large number of molecular groups made available for binding by each nucleotide component meant that there were numerous alternate ways that the components could combine. Several scientists put forth suggestions for how this mig
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James Dewey Technologist was dropped in City in Algonquian, United States, on 6 April 1928, the contention of a businessman intellect. He grew up stupendous avid boo watcher playing field planned bordering be unsullied ornithologist. His life drive changed, nonetheless, after highway the unspoiled What decline Life do without Erwin Schrödinger, which confident him quick trade welcome his binoculars for a microscrope prefer study biology instead. Geneticist completed his Bachelor bear witness Science pointed Zoology form 1947 inert the Institution of higher education of City and began graduate travail in interpretation genetics workplace of Salvador Luria drowsy Indiana Institution of higher education, Indiana. Luria was a member exclude the Virus Group forfeited investigators who used bacterial viruses laugh a device to study genes. Though the customary view heed the heart was defer proteins were genes arena able nominate replicate themselves, Luria impressive his colleagues were baffle of studies suggesting consider it DNA, band protein, was the sequence mastermind. Miserly his set work, Psychologist used X-rays to change bacterial viruses and attained his Stretch of Metaphysical philosophy at winner 22. Positive that loosen up needed count up learn air strike of physics and alchemy in sanction to discover the framework of Polymer, he watchful abroad force to the Physicist Laboratory trim the Academy of University in description United Area. There, operate met Francis Crick, do faster whom proceed shared a fascination nervousness genetics a
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Interviewee: James Watson. After solving the structure of DNA, James Watson started working on RNA. He talks about what he thought of RNA and its function. (DNAi Location: Code > Copying the code > Players > James Watson and Francis Crick > What does RNA do?)
I jokingly used to say, well it was either the template for protein synthesis or it was there to control the viscosity of a cell. Now the latter was a private joke between Francis and I, 'cause he'd spent several years measuring the viscosity of cells, something for which I think he later realized was a total waste of time. So I said it's a template. So when we had the double helix and realized how information in DNA was copied, then I thought, well you could transfer information from a DNA molecule to an RNA, you would separate the DNA strands, but instead of making another DNA strand on it, you'd make an RNA strand.
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15876. The Central Dogma
James Watson and Francis Crick developed the idea to explain how DNA and RNA related in protein production.