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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.
Collins Dictionary of Sociology, 3rd ed. © HarperCollins Publishers 2000
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
DNA(1) See Windows DNA and DNA storage.
(2) (Digital Network Architecture) Introduced in 1978, the DNA was Digital's umbrella term for its enterprise network architecture based on DECnet. See Digital Equipment.
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