Replication Origin |
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| Origin, Replication; Origins, Replication; Region, ori; Regions, ori; Replication Origins; ori Regions | |
| A unique DNA sequence of a replicon at which DNA REPLICATION is initiated and proceeds bidirectionally or unidirectionally. It contains the sites where the first separation of the complementary strands occurs, a primer RNA is synthesized, and the switch from primer RNA to DNA synthesis takes place. (Rieger et al., Glossary of Genetics: Classical and Molecular, 5th ed) | |