RNA Polymerase: Difference between revisions
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In [[Eukaryote|Eukaryotes]] some RNA polymerases include: | In [[Eukaryote|Eukaryotes]] some RNA polymerases include: | ||
*RNA Polymerase I: Involved in the transcription of ribosomal RNA. | *[[RNA Polymerase I|RNA Polymerase I]]: Involved in the transcription of [[RRNA|ribosomal RNA]]. | ||
*RNA Polymerase II: Transcribes all genes that code for proteins. | *[[RNA Polymerase II|RNA Polymerase II]]: Transcribes all genes that code for [[proteins|proteins]]. | ||
*RNA Polymerase III: Involved in the transcription of transfer RNA (tRNA) <br> <u></u> | *[[RNA Polymerase III|RNA Polymerase III]]: Involved in the transcription of transfer RNA ([[tRNA|tRNA]]) <br> <u></u> | ||
=== References === | === References === | ||
<references /><br> | <references /><br> | ||
Revision as of 21:21, 22 October 2012
RNA Polymerases are enzymes involved in the production of RNA. After the annealing of a primer, RNA polymerases build a complementary strand of RNA from free nucleotides using a strand of DNA as a template. The active form is a complex consisting of multiple subunits known as the RNA polymerase holoenzyme (Molecular mass ~400 kilodaltons) [1].
In Eukaryotes some RNA polymerases include:
- RNA Polymerase I: Involved in the transcription of ribosomal RNA.
- RNA Polymerase II: Transcribes all genes that code for proteins.
- RNA Polymerase III: Involved in the transcription of transfer RNA (tRNA)
References
- ↑ Hartl. D, Jones. E (2009), Genetics - Analysis Of Genes And Genomes, 7th Edition, Sudbury: Jones and Bartlett Publishers p346