DNA

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Related to DNA structure: DNA replication

DNA:

see nucleic acidnucleic acid,
any of a group of organic substances found in the chromosomes of living cells and viruses that play a central role in the storage and replication of hereditary information and in the expression of this information through protein synthesis.
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DNA (deoxyribonucleic acid)

See GENETICS.

DNA

(biochemistry)

DNA

deoxyribonucleic acid; a nucleic acid that is the main constituent of the chromosomes of all organisms (except some viruses). The DNA molecule consists of two polynucleotide chains in the form of a double helix, containing phosphate and the sugar deoxyribose and linked by hydrogen bonds between the complementary bases adenine and thymine or cytosine and guanine. DNA is self-replicating, plays a central role in protein synthesis, and is responsible for the transmission of hereditary characteristics from parents to offspring

DNA

(1) See Windows DNA.

(2) (Digital Network Architecture) Introduced in 1978, it was Digital's umbrella term for its enterprise network architecture based on DECnet.
References in periodicals archive ?
In the recent research, one of the four-chain DNA structures called G-quadruplex that was deposited on a nano bed was used as a detector of the compounds attached to the structure through various mechanisms.
Among some of the group's research highlights, their work on the creation of hybrid polymer-DNA and gold nanoparticle DNA structures were selected as editor's choices in Science and Nature.
RAPD method is applicable for the detection of changes in the DNA structure after different genotoxical treatments (radiation).
The biomarker systems used for evaluating changes at the subcellular level were FT-IR statistical models of DNA structure (Malins et al.
PPL said each of the 5 piglets, born in the United States, has a foreign marker gene in its DNA structure, a major step toward the production of genetically engineered pig organs for use in human transplantation.
Finally, a UV light chamber ensures that any remaining bacteria or viruses are completely neutralised by altering their DNA structure before the air continues on its normal route.
The study, conducted by a team of scientists in Belgium, found that together the radiation and toxins caused severe damage to the DNA structure of the body's lymphocyte cells, which form the immune defence system against disease.
Integrase allows the HIV virus to integrate with the cell's DNA structure, so that when the cell replicates, the virus replicates," explains Robert Belshe, MD, chief of the division of infectious disease at the St.
Influenced by everything from the writings of Franz Kafka and John Donne to organic chemistry, magnetic fields, atomic fission and DNA structure, Wayne developed what Neuberger director Lucinda H.
The lower thermal stability of this enzyme has found application in gene cloning, since it can be easily inactivated without disrupting DNA structure.
He has authored more than 80 scientific publications in the fields of DNA structure, transcription and chromatin and has received several scientific awards, including the Otto Hahn medal of the Max Planck Society and the European Beckman DNA Award.
The team showed that, during mammalian development, Hoxd genes depend on a 'bimodal' 3-dimensional DNA structure to direct the development of the characteristic subdivision of the limbs into arm and paw, a division which is absent from fish fins.