
DNA | Definition, Discovery, Function, Bases, Facts, & Structure ...
Mar 28, 2025 · Deoxyribonucleic acid (DNA) is an organic chemical that contains genetic information and instructions for protein synthesis. It is found in most of every organism. DNA is a key part of reproduction in which genetic heredity occurs through the passing down of DNA from parent or parents to offspring. What is DNA made of? DNA is made of .
DNA - Wikipedia
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.
Deoxyribonucleic Acid (DNA) - National Human Genome …
3 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 around each other to resemble a twisted ladder …
What is DNA? - MedlinePlus
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.
What Is DNA? Summary, Structure, and Importance - Healthline
Feb 11, 2022 · DNA stands for deoxyribonucleic acid. It contains units of biological building blocks called nucleotides. DNA is a vitally important molecule for not only humans but also most other organisms....
DNA - Definition, Function, Structure and Discovery - Biology …
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 regulation, metabolism, and reproduction of the cell.
What is DNA and Where is it Found? - Verywell Health
Aug 12, 2023 · Deoxyribonucleic acid—or DNA— is a molecule that serves as the hereditary material containing biological instructions that make every human and other organism unique. During reproduction, adult organisms pass their DNA and …
Deoxyribonucleic Acid (DNA) Fact Sheet - National Human …
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 adult organisms to their offspring during reproduction. Where is DNA found? In organisms called eukaryotes, DNA is found inside a special area of the cell called the nucleus.
DNA Definition & Meaning - Merriam-Webster
The meaning of DNA is 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 which project inward from two chains containing alternate links of deoxyribose and phosphate, and that in eukaryotes are localized chiefly in ...
DNA Structure and Functions - Science Facts
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 multicellular humans. DNA is a fundamental molecule that holds life’s blueprint.