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Deoxyribonucleic acid
DNA structure
Structure of DNA.
Synonyms DNA
Etymology

Deoxyribose- + -nucleic acid.

Free definitions
Wiktionary
(genetics, biochemistry) A nucleic acid found in all living things (and some non-living, see virus); consists of a polymer formed from nucleotides which are shaped into a double helix; it is associated with the transmission of genetic information.
Wikipedia
Deoxyribonucleic acid (i/diˌɒksiˌraɪbɵ.njuːˌkleɪ.ɨk ˈæsɪd/; DNA) is a molecule that encodes the genetic instructions used in the development and functioning of all known living organisms and many viruses.
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Category:DNA

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Category:DNA


Deoxyribonucleic acid is a molecule that encodes the genetic instructions required for the development and functioning of all living things. They are composed of base components called nucleotides which are composed of nucleobases bonded to phosphate groups and deoxyribose — a simple five-carbon sugar.[note 1] DNA is composed of two strands which are covalently-bonded nucleobases in sequence. Hydrogen bonds then keep the two strands of DNA loosely held together.[note 2]

NotesEdit

  1. As opposed to the six-carbon sugars that most people are more accustomed to: glucose (blood sugar), fructose (fruit sugar, the sweetest naturally-occurring sugar that is in our foods; it is the sugar that many proponents of sugar criminalization tend to pick on) and galactose (a sugar that composes the disaccharide, lactose, along with glucose)
  2. With each nucleobase on the two strands bound to another nucleobase, via these hydrogen bonds, on the other strand. These hydrogen bonds only occur between particular nucleobases: A with T, C with G

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