About 78,600 results
Open links in new tab
  1. DNA - Wikipedia

    Deoxyribonucleic acid (pronunciation ⓘ; [1] DNA) is a polymer composed of two polynucleotide chains that coil around each other to form a double helix. The polymer carries genetic …

  2. Deoxyribonucleic Acid (DNA) Fact Sheet

    Aug 24, 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 …

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

    Dec 11, 2025 · Deoxyribonucleic acid (DNA) is an organic chemical that contains genetic information and instructions for protein synthesis. It is found in most cells of every organism.

  4. DEOXYRIBONUCLEIC ACID Definition & Meaning - Merriam-Webster

    Watson shared a 1962 Nobel Prize with Francis Crick and Maurice Wilkins for discovering that deoxyribonucleic acid, or DNA, is a double helix, consisting of two strands that coil around …

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

    Jul 7, 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 …

  6. 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 …

  7. Definition of deoxyribonucleic acid - NCI Dictionary of Genetics …

    deoxyribonucleic acid (dee-OK-see-RY-boh-noo-KLAY-ik A-sid) The molecule inside cells that contains the genetic information responsible for the development and function of an organism. …

  8. What Is Deoxyribonucleic Acid and How Does It Work?

    Jul 19, 2025 · Deoxyribonucleic acid, more commonly known as DNA, carries the genetic instructions for the development, functioning, and reproduction of all known organisms and …

  9. What is DNA, and why it’s a key to understanding life, health, and ...

    Jul 10, 2025 · DNA, or deoxyribonucleic acid, is the genetic material found in all living organisms. It is made of long chains of chemical bases: adenine (A), guanine (G), cytosine (C), and …

  10. DNA: Properties, Structure, Composition, Types, Functions

    Aug 3, 2023 · Deoxyribonucleic acid (DNA) is the heredity material found in humans and all living organisms. It is a double-stranded molecule and has a unique twisted helical structure.