Search results
Results From The WOW.Com Content Network
This is an accepted version of this page This is the latest accepted revision, reviewed on 18 January 2025. British X-ray crystallographer (1920–1958) This article is about the chemist. For the Mars rover named after her, see Rosalind Franklin (rover). Rosalind Franklin Franklin with a microscope in 1955 Born Rosalind Elsie Franklin (1920-07-25) 25 July 1920 Notting Hill, London, England ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 23 January 2025. American molecular biologist, geneticist, and zoologist (born 1928) For other people named James Watson, see James Watson (disambiguation). James Watson Watson in 2012 Born James Dewey Watson (1928-04-06) April 6, 1928 (age 96) Chicago, Illinois, U.S. Education University of Chicago (BS ...
Franklin was a physical chemist who made pivotal research in the discovery of the structure of DNA, known as "the most important discovery" in biology. [1] [2] DNA itself had become "life's most famous molecule". [3] While working at the King's College London in 1951, she discovered two types of DNA called A-DNA and B-DNA. Her X-ray images of ...
After the discovery of the hydrogen bonded A:T and C:G pairs, Watson and Crick soon had their anti-parallel, double helical model of DNA, with the hydrogen bonds at the core of the helix providing a way to "unzip" the two complementary strands for easy replication: the last key requirement for a likely model of the genetic molecule. As ...
The Double Helix: A Personal Account of the Discovery of the Structure of DNA is an autobiographical account of the discovery of the double helix structure of DNA written by James D. Watson and published in 1968. It has earned both critical and public praise, along with continuing controversy about credit for the Nobel award and attitudes ...
The double-helix model of DNA structure was first published in the journal Nature by James Watson and Francis Crick in 1953, [6] (X,Y,Z coordinates in 1954 [7]) based on the work of Rosalind Franklin and her student Raymond Gosling, who took the crucial X-ray diffraction image of DNA labeled as "Photo 51", [8] [9] and Maurice Wilkins, Alexander Stokes, and Herbert Wilson, [10] and base-pairing ...
The two DNA strands are known as polynucleotides as they are composed of simpler monomeric units called nucleotides. [2] [3] Each nucleotide is composed of one of four nitrogen-containing nucleobases (cytosine [C], guanine [G], adenine [A] or thymine [T]), a sugar called deoxyribose, and a phosphate group.
Norman Simmons (1915–2004), US DNA research pioneer, who donated pure DNA to Rosalind Franklin in the prelude to the double helix discovery; Piotr Słonimski (1922–2009), Polish-Parisian yeast geneticist, pioneer of mitochondrial heredity; William S. Sly (born 1932), US biochemical geneticist, mucopolysaccharidosis type VII (Sly syndrome)