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Hace 6 días · DNA, organic chemical of complex molecular structure found in all prokaryotic and eukaryotic cells. It codes genetic information for the transmission of inherited traits. The structure of DNA was described in 1953, leading to further understanding of DNA replication and hereditary control of cellular activities.
Learn how Watson and Crick built on the work of Miescher, Levene, and Chargaff to propose the double helix model of DNA in 1953. Explore the historical and scientific context of their discovery and its implications for genetics and biology.
En este artículo, exploraremos brevemente cómo se descubrió la estructura de doble hélice del ADN con el trabajo de James Watson, Francis Crick, Rosalind Franklin y otros investigadores. Luego revisaremos las propiedades de la doble hélice en sí.
Learn how Watson and Crick uncovered the structure of DNA, the master molecule of life, based on the experimental results of others and their brilliant intuition. Discover how they solved the puzzle of the base pairing rule, the helical shape, and the chemical composition of DNA.
12 de abr. de 2024 · Rosalind Franklin (born July 25, 1920, London, England—died April 16, 1958, London) was a British scientist best known for her contributions to the discovery of the molecular structure of deoxyribonucleic acid ( DNA ), a constituent of chromosomes that serves to encode genetic information.
Learn how James Watson, Francis Crick, Rosalind Franklin, and Maurice Wilkins revealed the double-helical structure of DNA through X-ray crystallography and biochemical analysis. Explore the properties and components of the DNA molecule and its antiparallel, right-handed helix.
25 de abr. de 2023 · Rosalind Franklin was a physical chemist who used X-ray diffraction to study the structure of DNA. She independently grasped how DNA's structure could specify proteins and was an equal contributor to solving the double helix, but was not given credit by Watson and Crick.
