This occurs via the interaction of the nucleic acid of the exogenous viruses and the endogenous viruses which permanently occupy mammalian genomes.

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He is using enzymes such as polymerases, nucleases and exonucleases that can also copy, cut and destroy nucleic-acid strands.

ECONOMIST: DNA computing

For molecular diagnostic tests Beckman Coulter has developed a nucleic-acid- sample detection instrument that separates fluorescent-dye-labeled DNA fragments for pattern recognition or further identification.

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