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Primer is one of main insert in polymerase chain reaction, which speed up replication process. Please contribute to this project, if you have more information about this term feel free to edit this page. This page was last modified on 15 July 2006, at 03:11.This page has been accessed 12,342 times. What links here | Related changes | Permanent link.
Function of the RNA primer: DNA polymerases need a double-stranded DNA region to which they can attach in order to begin copying the rest of the DNA strand. In order to provide this double-stranded attachment site, RNA primers are added by primase, an RNA polymerase which does not require such an attachment site itself. When DNA replication starts, one primer is needed at the start of the leading strand.