Rna polymerases in eukaryotes

2010-11-23T16:18:54Z

094428667:

Three types of RNA polymerases exist in eukaryotes- RNA polymerase I, RNA polymerase II and RNA polymerase III. These polymerases have different locations in the nucleus, respond to different inhibitors and are specific to different templates. See table 1 for details of these polymerases.

 Table 1: RNA Polymerases in Eukaryotes   

{| style="width: 412px; height: 103px" cellspacing="1" cellpadding="1" width="412" border="1"
|-
| Type
| Location
| Cellular Transcripts
| Effects of Alpha amanitin
|-
| I
| Nucleolus
| 18S, 5.8S,and 28S rRNA
| Insensitive
|-
| II
| Nucleus
| mRNA, precursors and snRNA
| strongly inhibited
|-
| III
| Nucleus
| tRNA and 5S rRNA
| Inhibited by high concentrations
|}

''Pg 834, Biochemistry 6th Edition (2006)''

<references />Berg M. J., Tymoczko L. J., Stryer L., (2006) Biochemistry, 6th Edition New York: W. H Freeman

Rna polymerases in eukaryotes

2010-11-23T16:16:46Z

094428667: Created page with 'Three types of RNA polymerases exist in eukaryotes- RNA polymerase I, RNA polymerase II and RNA polymerase III. These polymerases have different locations in the nucleus, respond…'

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Rna polymerases in eukaryotes

Rna polymerases in eukaryotes