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  1. 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.

  2. Deoxyribonucleic Acid (DNA)

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

  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 …

  4. 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 …

  5. DNA Definition & Meaning - Merriam-Webster

    : any of various nucleic acids that are usually the molecular basis of heredity, are constructed of a double helix held together by hydrogen bonds between purine and pyrimidine bases (see base …

  6. DNA - Definition, Function, Structure and Discovery | Biology Dictionary

    Apr 8, 2019 · Deoxyribonucleic acid, or DNA, is a biological macromolecule that carries hereditary information in many organisms. DNA is necessary for the production of proteins, the …

  7. What is DNA? Understanding the Blueprint of Life

    Apr 5, 2025 · DNA is a long molecule made up of smaller subunits called nucleotides. Each nucleotide consists of three components: a phosphate group, a deoxyribose sugar molecule, …

  8. DNA Definition & Meaning | Dictionary.com

    DNA is a large, complex molecule that allows cells to function and carries the genetic code that determines the traits of a living organism. DNA is in every cell of every living thing.

  9. DNA – Definition, Discovery, Structure, Functions, & Labeled …

    Sep 13, 2023 · DNA stands for Deoxyribonucleic acid, a macromolecule that carries genetic information in all living organisms, from the tiniest microorganisms to the most complex …

  10. What is DNA?: MedlinePlus Genetics

    Jan 19, 2021 · What is DNA? 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.