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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)





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


(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 ?
Henricksen, "Enzymes and reactions at the eukaryotic DNA replication fork," Journal of Biological Chemistry, vol.
And then the spectral estimation for the AR model given from (8) at frequency [theta] = 2[pi]/3 is utilized to predict the exons in the eukaryotic DNA sequences.
In 2001, Labib and Diffley [23] enquired whether MCM 2-7 is the eukaryotic DNA replication fork helicase.
This work has more recently been extended to sites in eukaryotic DNA [67-69] although questions remain as to whether hairpin structure formation is necessary to stall replication forks [60].
Use of restriction enzymes to study eukaryotic DNA methylation: I.
Histone proteins (H3, H4, H2A, H2B) function as building blocks which package eukaryotic DNA into repeating nucleosome units that are folded in higher order chromatin fibers.
Analytical specificity was tested with bacterial and eukaryotic DNA (Table 2).

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