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Rosalind Franklin's B-Form of DNA,1952

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Title: Rosalind Franklin's B-Form of DNA,1952

Caption: DNA. X-ray diffraction photograph of DNA (deoxyribonucleic acid). This historical image (aka "Photo 51") of the beta (b-form) of DNA was obtained by Rosalind Franklin in 1952, the year in which Watson and Crick discovered DNA's structure, largely due to 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.

Credit: Album / Science Source

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Image size: 1644 × 1500 px | 7.1 MB

Print size: 13.9 × 12.7 cm | 647.2 × 590.6 in (300 dpi)

Keywords: 1900S • 1950S • 1952 • 1990S • 20 20TH XX XXTH TWENTIETH CENTURY • 20 XX TWENTIETH CENTURY • 20TH CENTURY • 20TH • 90S • ADN • B FORM • B-FORM • BETA • BIOCHEMISTRY • BIOLOGY • BIOPHYSICS • BW • CRYSTALLOGRAPHY • DISCOVERY OF • DNA SEQUENCER • DNA STRAND • DNA • DOUBLE HELIX • EARLY IMAGE OF DNA • GENETICS • HELICAL • HEREDITARY • HISTORY • MACROMOLECULE • MOLECULAR BIOLOGY • MOLÉCULE • NINETIES • NINETIES, THE • NINETY DECADE • PHOTO 51 • RADIOGRAPHY • RAYMOND GOSLING • ROSALIND FRANKLIN • SCIENCE • STRUCTURAL ANALYSIS • STRUCTURE • TWENTIETH CENTURY • WATSON & CRICK • WATSON AND CRICK • X-RAY DIFFRACTION • X-RAY