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DNA - Wikipedia
https://en.wikipedia.org/wiki/DNA
WEBDeoxyribonucleic acid (/ d iː ˈ ɒ k s ɪ ˌ r aɪ b oʊ nj uː ˌ k l iː ɪ k,-ˌ k l eɪ-/ ⓘ; DNA) is a polymer composed of two polynucleotide chains that coil around each other to form a double helix. The polymer carries genetic instructions for the development, functioning, growth and reproduction of all known organisms and many viruses.
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DNA | Definition, Discovery, Function, Bases, Facts, & Structure
https://www.britannica.com/science/DNA
WEBApr 18, 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.
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DNA function & structure (with diagram) (article) | Khan Academy
https://www.khanacademy.org/test-prep/mcat/biomolecules/dna/a/dna-structure-and-function
WEBDNA is the information molecule. It stores instructions for making other large molecules, called proteins. These instructions are stored inside each of your cells, distributed among 46 long structures called chromosomes.
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Deoxyribonucleic Acid (DNA) Fact Sheet - National Human …
https://www.genome.gov/about-genomics/fact-sheets/Deoxyribonucleic-Acid-Fact-Sheet
WEBAug 24, 2020 · Deoxyribonucleic Acid (DNA) Fact Sheet. 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. Where is DNA found?
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What is DNA?: MedlinePlus Genetics
https://medlineplus.gov/genetics/understanding/basics/dna/
WEBJan 19, 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. Most DNA is located in the cell nucleus (where it is called nuclear DNA), but a small amount of DNA can also be found in the mitochondria (where it is called mitochondrial DNA or …
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Discovery of the structure of DNA (article) | Khan Academy
https://www.khanacademy.org/science/biology/dna-as-the-genetic-material/dna-discovery-and-structure/a/discovery-of-the-structure-of-dna
WEBA nucleotide is made up of a sugar (deoxyribose), a phosphate group, and one of four nitrogenous bases: adenine (A), thymine (T), guanine (G) or cytosine (C). C and T bases, which have just one ring, are called pyrimidines, while A and G bases, which have two rings, are called purines.
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DNA structure and replication review (article) | Khan Academy
https://www.khanacademy.org/science/ap-biology/gene-expression-and-regulation/replication/a/hs-dna-structure-and-replication-review
WEBKey terms. DNA structure. DNA is a nucleic acid, one of the four major groups of biological macromolecules. Nucleotides. All nucleic acids are made up of nucleotides. In DNA, each nucleotide is made up of three parts: a 5-carbon sugar called deoxyribose, a phosphate group, and a nitrogenous base.
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DNA Is a Structure That Encodes Biological Information
https://www.nature.com/scitable/topicpage/dna-is-a-structure-that-encodes-biological-6493050/
WEBIn 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...
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DNA - Definition, Function, Structure and Discovery - Biology …
https://biologydictionary.net/dna/
WEBLast Updated: April 8, 2019. DNA Definition. Deoxyribonucleic acid, or DNA, is a biological macromolecule that carries hereditary information in many organisms. DNA is necessary for the production of proteins, the regulation, metabolism, and …
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Introduction: What is DNA? | Learn Science at Scitable - Nature
https://www.nature.com/scitable/topicpage/introduction-what-is-dna-6579978/
WEBDeoxyribonucleic acid, more commonly known as DNA, is a complex molecule that contains all of the information necessary to build and maintain an organism. All...
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