\what did james watson and francis crick discover about dna
In 1962, Watson shared the Nobel Prize for Physiology or Medicine with Francis Crick and Maurice Wilkins who, with Rosalind Franklin, provided the data on which the structure was based. Watson wrote The Double Helix: A Personal Account of the Discovery of the Structure of DNA, which was published in 1968. This book was the first of its kind, being a gossipy account of the inner workings of the scientific world, and has never been out of print. A+E Networks. On this day in 1953, Cambridge University scientists James D. Watson and Frances H.C. Crick announce that they have determined the double-helix structure of DNA, the molecule containing human genes. Nobel laureate James Watson took part in one of the most important scientific breakthroughs of the 20th century: the discovery of the structure of DNA. More than 50 years later, he continues to investigate biology's deepest secrets. Full bio. DNA's discovery has been called the most important biological work of the last 100 years, and the field it opened may be the scientific frontier for the next 100. By 1962, when Watson, Crick, and Wilkins won the Nobel Prize for physiology/medicine, Franklin had died. track your influence! Nobel laureate James Watson opens TED2005 with the frank and funny story of how he and his research partner, Francis Crick, discovered the structure of DNA. 1  Interactive transcriptInteractive transcript. On February 28th many historical events occurred. These events are recapped by Russell Mitchell in this video clip from This Day in History. The discovery of DNA by James Watson and Frances Crick being a major one for the scientific community. Not only was DNA discovered on this day, but the Republican Party was founded in Wisconsin. Watson and Crick describe structure of DNA1953. Photo: Model of DNA molecule. In the late nineteenth century, a German biochemist found the nucleic acids, long-chain polymers of nucleotides, were made up of sugar, phosphoric acid, and several nitrogen-containing bases. These discoveries were an important foundation for the later description of DNA. In the early 1950s, the race to discover DNA was on. At Cambridge University, graduate student Francis Crick and research fellow James Watson (b. 1928) had become interested, impressed especially by Pauling's work. Meanwhile at King's College in London, Maurice Wilkins (b. 1916) and Rosalind Franklin were also studying DNA. Concept 19 The DNA molecule is shaped like a twisted ladder. James Watson and Francis Crick solved the structure of DNA. Other scientists, like Rosalind Franklin and Maurice Wilkins, also contributed to this discovery. DNA was first crystallized in the late 70's — remember, the 1953 X-ray data were from DNA fibers. So, the real proof for the Watson-Crick model of DNA came in 1982 after the B-form of DNA was crystallized and the X-ray pattern was solved. If the DNA of one human cell is stretched out, it would be almost 6 feet long and contain over three billion base pairs.
The double-helix structure of DNA.