DNA - Wikipedia
WebDeoxyribonucleic acid (/ d iː ˈ ɒ k s ɪ ˌ r aɪ b oʊ nj uː ˌ k l iː ɪ k,-ˌ k l eɪ-/ ⓘ; 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 – Vikipeedia
WebDNA molekul (nii üksik, kui mitmikahelaline) võib esineda lineaarsel kujul (vabade otstega), või tsirkulaarsel kujul (otsad on omavahel ühendatud ja molekul on rõngakujuline). Replikatsiooni vigade korral esineb olukordi, kus kaks DNA tsirkulaarset molekuli üksteist läbivad (nagu keti lülid, selliseid nimetatakse konkatemeerunud ...
Palveluita yhteydenpitoon, viihtymiseen ja työntekoon | DNA
WebNopea netti, puhelimet, tabletit ja lisätarvikkeet. Liittymät, kanavat ja DNA TV. Teemme arjesta inspiroivampaa, tuottavampaa ja viihdyttävämpää. DNA. Elämä on. Tervetuloa!
DNA | Definition, Discovery, Function, Bases, Facts, & Structure
WebMay 15, 2024 · DNA, organic chemical of complex molecular structure found in all prokaryotic and eukaryotic cells. It codes genetic information for the transmission of inherited traits. The structure of DNA was described in 1953, leading to further understanding of DNA replication and hereditary control of cellular activities.
What is DNA?: MedlinePlus Genetics
WebJan 19, 2021 · 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. Most DNA is located in the cell nucleus (where it is called nuclear DNA), but a small amount of DNA can also be found in the mitochondria (where it is called mitochondrial DNA or …
DNA Is a Structure That Encodes Biological Information
WebIn short, DNA is a complex molecule that consists of many components, a portion of which are passed from parent organisms to their offspring during the process of reproduction.
Introduction: What is DNA? | Learn Science at Scitable - Nature
WebDeoxyribonucleic acid, more commonly known as DNA, is a complex molecule that contains all of the information necessary to build and maintain an organism. All...
Deoxyribonucleic Acid (DNA) Fact Sheet - National Human …
WebAug 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.
Deoxyribonucleic Acid (DNA) - National Human Genome …
Web2 days ago · Definition. 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 — a shape known as a double helix.
DNA facts and information - National Geographic
WebFeb 26, 2019 · DNA, or deoxyribonucleic acid, is a molecule found inside every cell in almost every living thing. It helps cells make proteins, which they need to survive, and it facilitates reproduction.
Skip to content