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RNA polymerase |
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RNA polymerase, an enzyme that catalyzes the assembly of ribonucleoside triphosphates into RNA, with single-stranded DNA serving as the template. Also called RNA nucleotidyltransferase. polymerase an enzyme that catalyzes polymerization, particularly of nucleic acids. polymerase chain reaction see pcr1. RNA polymerase 1. an enzyme that synthesizes an RNA copy of the sequence in a limited region of DNA in a process known as DNA transcription. Called also DNA-dependent RNA polymerase. 2. a viral enzyme that synthesizes RNA from an RNA template during viral replication. Called also RNA-dependent RNA polymerase. RNA-dependent RNA polymerase see RNA polymerase (above). Taq polymerase a DNA polymerase that functions at high temperature; derived from the bacterium Thermus aquaticus and used in the polymerase chain reaction. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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tuberculosis strains is usually caused by the point mutations in the rpoB gene encoding the [beta]-subunit of the DNA-dependent RNA polymerase, which is a target of the drug. |
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