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  1. www.britannica.com › science › DNADNA | Definition, Discovery, Function, Bases, Facts, & Structure

    30 de abr. de 2024 · 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.

    • DNA

      DNA is the material that carries all the information about...

    • Holliday Junction

      Holliday junction, cross-shaped structure that forms during...

    • Chromatin

      Other articles where chromatin is discussed: cell: DNA...

    • mtDNA

      Other articles where mtDNA is discussed: horse: Origin of...

    • Bases

      Other articles where base is discussed: nucleic acid: Basic...

    • Retroviruses

      Retroviruses cause tumour growth and certain cancers in...

    • Human Genome

      Human genome, all of the approximately three billion base...

    • Pyrimidines

      Pyrimidine, any of a class of organic compounds of the...

  2. www.khanacademy.org › science › biologyDiscovery of the structure of DNA (article) | Khan Academy

    In this article, we'll briefly explore how the double-helical structure of DNA was discovered through the work of James Watson, Francis Crick, Rosalind Franklin, and other researchers. Then, we'll take a look at the properties of the double helix itself.

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  4. sciencehistory.org › education › scientific-biographiesFrancis Crick, Rosalind Franklin, James Watson, and Maurice...

    28 de jul. de 2022 · Discovering the Structure of DNA. The molecule that is the basis for heredity, DNA, contains the patterns for constructing proteins in the body, including the various enzymes.

  5. www.nature.com › scitable › topicpageDiscovery of DNA Double Helix: Watson and Crick - Nature

    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 in the...

  6. profiles.nlm.nih.gov › spotlight › scThe Discovery of the Double Helix, 1951-1953

    How did Watson and Crick discover the structure of DNA in 1953? Learn about their breakthrough experiment, their model building process, and their insights into the genetic code and protein synthesis. Explore the historical context, the scientific challenges, and the cultural impact of their discovery.

  7. es.khanacademy.org › science › biologyDescubrimiento de la estructura del ADN (artículo) | Khan Academy

    La cristalografía de Franklin dio a Watson y Crick importantes pistas sobre la estructura del ADN. Algunas de estas provenían de la famosa "imagen 51," una imagen de difracción de rayos X del ADN sorprendente y extraordinariamente clara que produjeron Franklin y su estudiante de posgrado.

  8. en.wikipedia.org › wiki › DNADNA - Wikipedia

    DNA is a long polymer made from repeating units called nucleotides. The structure of DNA is dynamic along its length, being capable of coiling into tight loops and other shapes. In all species it is composed of two helical chains, bound to each other by hydrogen bonds.

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