DNA, X-ray diffraction

DNA, X-ray diffraction

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This image is part of the feature 10 Women Scientists Who Changed The World
This image is part of the feature Cosmic Rainbow
This image is part of the feature 50 Years Of Genetics Research

Credit: SCIENCE PHOTO LIBRARY

Caption: DNA. X-ray diffraction photograph of DNA (deoxyribonucleic acid). This image of the beta (b-form) of DNA was obtained by Rosalind Franklin in 1953, the year in which Watson and Crick discovered DNA's structure, aided by Franklin's work. The image results from a beam of X-rays being scattered onto a photographic plate by the DNA. Various features about the structure of the DNA can be determined from the pattern of spots and bands. The cross of bands indicates the helical nature of DNA.

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Keywords: b-form, beta, biochemical, biochemistry, crystallography, deoxyribonucleic acid, discovery, dna, double helix, franklin, genetic, genetics, helical, hereditary, historical, history, image, molecular biology, molecule, rosalind, strand, strands, structural analysis, structure, x-ray diffraction photograph, xray

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