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DNA - Wikipedia

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Deoxyribonucleic acid (/diːˈɒksɪˌraɪboʊnjuːˌkliːɪk, -ˌkleɪ-/ ⓘ;[1] 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. DNA and ribonucleic acid (RNA) are nucleic acids. Alongside proteins, lipids and complex carbohydrates (polysaccharides), nucleic acids are one of the four major types of macromolecules that are essential for all known forms of life.

DNA - Wikipedia Jump to content From Wikipedia, the free encyclopedia Molecule that carries genetic information For a non-technical introduction to the topic, see Introduction to genetics . For other uses, see DNA (disambiguation) . Chromosome ( 10 7 - 10 10 bp ) DNA Gene ( 10 3 - 10 6 bp ) Function A chromosome and its packaged long strand of DNA unraveled. The DNA's base pairs encode genes, which provide functions. A human DNA can have up to 500 million base pairs with thousands of genes. The structure of the DNA double helix (type B-DNA ). The atoms in the structure are colour-coded by elem

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