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1. www.dna.frDNA - les Dernières Nouvelles d'Alsace

   www.dna.fr

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   3 juil. 2024 · Actualités A la une Strasbourg : en direct, photos et vidéos. Restez informés avec Les Dernières Nouvelles d'Alsace.

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

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   Il y a 2 jours · 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.

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

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   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.

4. medlineplus.gov › genetics › understandingWhat is DNA?: MedlinePlus Genetics

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   19 janv. 2021 · DNA, or deoxyribonucleic acid, is the hereditary material in humans and almost all other organisms. Nearly every cell in a person’s body has the same DNA.

5. www.genome.gov › about-genomics › fact-sheetsDeoxyribonucleic Acid (DNA) Fact Sheet - National Human Genome...

   www.genome.gov › about-genomics › fact-sheets

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   24 août 2020 · Deoxyribonucleic acid (DNA) is a molecule that contains the biological instructions that make each species unique. DNA, along with the instructions it contains, is passed from adult organisms to their offspring during reproduction.

6. fr.khanacademy.org › a › hs-dna-structure-and-replication-reviewRévision de la structure et de la réplication de l'ADN - Khan...

   fr.khanacademy.org › a › hs-dna-structure-and-replication-review

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   Les molécules d'ADN présentent une structure antiparallèle, c'est-à-dire que les deux brins de l'hélice s'étendent dans des directions opposées. Chaque brin possède une extrémité 5' et une extrémité 3'. La résolution de la structure de l'ADN est l'une des grandes découvertes scientifiques du siècle.

7. www.nationalgeographic.com › science › articleDNA facts and information - National Geographic

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   26 févr. 2019 · DNA, or deoxyribonucleic acid, is a molecule found inside every cell in almost every living thing. It helps cells make proteins, which they need to survive, and it facilitates reproduction.

8. www.nature.com › scitable › topicpageDNA Is a Structure That Encodes Biological Information

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   19 nov. 2019 · In short, DNA is a complex molecule that consists of many components, a portion of which are passed from parent organisms to their offspring during the process of reproduction.

9. fr.khanacademy.org › science › biologyL’ADN, le matériel génétique | Biologie - Khan Academy

   fr.khanacademy.org › science › biology

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   Aujourd'hui, on sait que l'ADN est le matériel génétique : la molécule qui porte les gènes est transmise des parents aux enfants et donne les instructions pour la croissance et le fonctionnement des organismes vivants. Toutefois, les scientifiques n'ont pas toujours eu ces informations.

10. www.livescience.com › 37247-dnaWhat is DNA? | Live Science

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    17 mars 2023 · DNA stands for deoxyribonucleic acid, and it's a molecule that supplies the genetic instructions that tell living creatures how to develop, live and reproduce. DNA can be found inside every...