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28 de jul. de 2022 · At King’s College London, Rosalind Franklin obtained images of DNA using X-ray crystallography, an idea first broached by Maurice Wilkins. Franklin’s images allowed James Watson and Francis Crick to create their famous two-strand, or double-helix, model.
The discovery in 1953 of the double helix, the twisted-ladder structure of deoxyribonucleic acid (DNA), by James Watson and Francis Crick marked a milestone in the history of science and gave rise to modern molecular biology, which is largely concerned with understanding how genes control the chemical processes within cells.
After joining King's College London in 1951 as a research associate, Franklin discovered some key properties of DNA, which eventually facilitated the correct description of the double helix structure of DNA.
Many people believe that American biologist James Watson and English physicist Francis Crick discovered DNA in the 1950s. In reality, this is not the case. Rather, DNA was first identified...
The inscription on the helices of a DNA sculpture (which was donated by James Watson) outside Clare College's Thirkill Court, Cambridge, England reads: "The structure of DNA was discovered in 1953 by Francis Crick and James Watson while Watson lived here at Clare."
In the 1950s biochemists realized that DNA, short for deoxyribonucleic acid, delivered the instructions for copying a new organism. A yard of DNA is folded and packed into the nucleus of every cell in pairs called “chromosomes,” with one exception: in the reproductive cells, where the pieces of DNA are not paired.
25 de mar. de 2024 · Rosalind Franklin was a chemist and X-ray crystallographer who studied DNA at King’s College London from 1951 to 1953, and her unpublished data paved the way for Watson and Crick’s...
