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RNA polymerase - Wikipedia
https://en.wikipedia.org/wiki/RNA_polymerase
Web ResultIn molecular biology, RNA polymerase (abbreviated RNAP or RNApol), or more specifically DNA-directed/dependent RNA polymerase (DdRP), is an enzyme that catalyzes the chemical reactions that synthesize RNA from a DNA template.
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RNA Polymerase - Definition, Function and Types - Biology …
https://biologydictionary.net/rna-polymerase/
Web ResultMar 14, 2019 · RNA Polymerase Definition. A RNA polymerase (RNAP), or ribonucleic acid polymerase, is a multi subunit enzyme that catalyzes the process of transcription where an RNA polymer is synthesized from a DNA template. The sequence of the RNA polymer is complementary to that of the template DNA and …
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Stages of transcription - Khan Academy
https://www.khanacademy.org/science/biology/gene-expression-central-dogma/transcription-of-dna-into-rna/a/stages-of-transcription
Web ResultRNA polymerase is the main transcription enzyme. Transcription begins when RNA polymerase binds to a promoter sequence near the beginning of a gene (directly or through helper proteins). RNA polymerase uses one of the DNA strands (the template strand) as a template to make a new, complementary RNA molecule.
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Biochemistry, RNA Polymerase - StatPearls - NCBI Bookshelf
https://www.ncbi.nlm.nih.gov/books/NBK545212/
Web ResultJul 17, 2023 · RNA polymerase, abbreviated RNAP and officially known as DNA-directed RNA polymerase, is found in all living organisms as well as many viruses. Present in bacteria, archaea, and even eukaryotes, these RNAPs all share similar protein core structures as well as mechanisms.
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Transcription: an overview of DNA transcription (article) - Khan Academy
https://www.khanacademy.org/science/ap-biology/gene-expression-and-regulation/transcription-and-rna-processing/a/overview-of-transcription
Web ResultRNA polymerase binds to a sequence of DNA called the promoter, found near the beginning of a gene. Each gene (or group of co-transcribed genes, in bacteria) has its own promoter. Once bound, RNA polymerase separates the DNA strands, providing the single-stranded template needed for transcription.
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RNA polymerase | Learn Science at Scitable - Nature
https://www.nature.com/scitable/definition/rna-polymerase-106/
Web ResultRNA polymerase is an enzyme that is responsible for copying a DNA sequence into an RNA sequence, duyring the process of transcription. As complex molecule composed of protein subunits, RNA ...
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10: Transcription: RNA polymerases - Biology LibreTexts
https://bio.libretexts.org/Bookshelves/Genetics/Working_with_Molecular_Genetics_(Hardison)/Unit_III%3A_The_Pathway_of_Gene_Expression/10%3A_Transcription%3A_RNA_polymerases
Web ResultJun 20, 2023 · B. E. coli RNA polymerase structure. 1. This one RNA polymerase synthesizes all classes of RNA. mRNA, rRNA, tRNA. 2. It is composed of four subunits. a. Core and holoenzyme. a2bb's a2bb' + s. Holoenzyme = a2bb's = core + s = can initiatetranscription accurately as the proper site, as determined by the …
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12.4: RNA Polymerase - Biology LibreTexts
https://bio.libretexts.org/Courses/Lumen_Learning/Biology_for_Majors_I_(Lumen)/12%3A_Module_10-_DNA_Transcription_and_Translation/12.04%3A_RNA_Polymerase
Web ResultFeb 28, 2021 · RNA polymerase I is located in the nucleolus, a specialized nuclear substructure in which ribosomal RNA (rRNA) is transcribed, processed, and assembled into ribosomes (Table 1). The rRNA molecules are considered structural RNAs because they have a cellular role but are not translated into protein.
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Eukaryotic RNA Polymerases and General Transcription Factors
https://www.ncbi.nlm.nih.gov/books/NBK9935/
Web ResultClasses of Genes Transcribed by Eukaryotic RNA Polymerases. All three of the nuclear RNA polymerases are complex enzymes, consisting of 8 to 14 different subunits each. Although they recognize different promoters and transcribe distinct classes of genes, they share several common features.
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RNA polymerase: What is it and what does it do? | IDT
https://www.idtdna.com/pages/education/decoded/article/rna-polymerase-what-is-it-and-what-does-it-do
Web ResultMay 16, 2023 · RNA polymerase (RNAP) is an enzyme involved in the transcription of DNA to RNA. In eukaryotic cells, there are three types of RNAPs, known as RNA Polymerases, I, II, and III [ 1 ]. Each of the RNAP types have specialized roles: RNA Polymerase I (Pol I) synthesizes the three largest ribosomal RNAs (rRNAs), …
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