Primase - meaning of word
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Primase



DNA primase is a form of RNA polymerase and a product of the dnaG gene. Primase binds to the DNA helicase forming a complex called the primosome. Primase is activated by DNA helicase where it then synthesizes a short RNA primer approximately 11 ±1 nucleotides long, to which new nucleotides can be added by DNA polymerase. Primase is of key importance in DNA replication because no known DNA polymerases can initiate the synthesis of a DNA strand. A primer is a short RNA segment that is complementary to a DNA segment, and is necessary to begin DNA replication. ==Types== *dnaB *dnaC EC 2.7.7 DNA replication


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Primase


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