Deoxyribonucleic Acid

The biological macromolecule that carries the genetic information of all eukaryotic and prokaryotic cells.


A unit of genetic information equal to the information carried by 1000 pairs of the base units in the double-helix of DNA.

Leading Strand

The DNA strand that, during replication, is synthesized in the same direction in which the replication fork moves. Synthesized in a continuous fashion.


A DNA molecule known to replicate autonomously in a host cell, to which a segment of DNA may be spliced to allow its replication.

See also: Cistron, Complementary DNA, Crick, Francis, DNA Chimera, DNA Cloning, DNA Library, DNA Ligase, DNA Polymerase, DNA Replicase System, DNA Supercoiling, DNA Transposition, Double Helix, Gene, Genetic Code, Genetic Map, Helicase, Nucleic Acid, Nucleotide, Regulatory Sequence, Ribonucleic Acid, Satellite DNA, Southern Blot, Viral Vector.

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Subjects: Biology