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  1. What is DNA? Definition, Function & Structure - Cleveland Clinic

    Jul 9, 2025 · DNA (deoxyribonucleic acid) is a set of instructions for creating the proteins that make your body work. Two strands of DNA together form a double helix — a bit like a spiral staircase.

  2. Deoxyribonucleic Acid (DNA) - National Human Genome Research …

    2 days ago · Deoxyribonucleic acid (abbreviated DNA) is the molecule that carries genetic information for the development and functioning of an organism. DNA is made of two linked strands that wind …

  3. DNA - Wikipedia

    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 …

  4. The Structure of DNA and RNA – Introductory Biology

    There are two types of nucleic acids: deoxyribonucleic acid (DNA) and ribonucleic acid (RNA). Each of these molecules has a unique structure that enables it to fulfill specific functions within the cell. …

  5. What is DNA? | Live Science

    Mar 17, 2023 · What is DNA? Deoxyribonucleic acid, or DNA, is a molecule that contains the instructions an organism needs to develop, live and reproduce.

  6. DNA - Latest research and news | Nature

    3 days ago · Most DNA molecules consist of two polymers (double-stranded) of four nucleotides that each consist of a nucleobase, the carbohydrate deoxyribose and a phosphate group, where the …

  7. What is DNA?: MedlinePlus Genetics

    Jan 19, 2021 · DNA is a double helix formed by base pairs attached to a sugar-phosphate backbone. DNA is the hereditary material in humans and almost all other organisms. Genes are made up of DNA.

  8. DNA | Definition, Discovery, Function, Bases, Facts, & Structure ...

    6 days ago · DNA is an organic chemical of complex molecular structure found in all prokaryotic and eukaryotic cells. It codes genetic information for the transmission of inherited traits.

  9. DNA - Simple English Wikipedia, the free encyclopedia

    DNA, short for deoxyribonucleic acid, is the molecule that contains the genetic code of living organisms. This includes animals, plants, protists, archaea and bacteria. It is made up of two polynucleotide …

  10. What is the Function of DNA? - sciencenewstoday.org

    Apr 17, 2025 · Inside every living cell, nestled within the microscopic confines of the nucleus, lies a molecule so powerful and so fundamental that it shapes everything about us — from our eye color to …