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The RNA polymerases are huge multi-subunit protein complexes. Three kinds are found in eukaryotes: * RNA polymerase I (Pol I).

It transcribes the rRNA genes for the precursor of the 28S, 18S, and 5.8S molecules (and is the busiest of the RNA polymerases). * RNA polymerase II (Pol II; also known as RNAP II).

It transcribes protein-encoding genes into mRNA (and also the snRNA genes). * RNA polymerase III (Pol III).

It transcribes the 5S rRNA genes and all the tRNAgenes.

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15y ago
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12y ago

RNA polymerase is a self help enzyme which catylyses the formation of polymer of rNTPs from the template DNA strand. it is a self-help polymerase because it does not require another enzyme- primase for promer synthesis. this is inbuilt in RNA polymerase.prokaryotes have 3 types of RNA polymerases. RNA pol 1,2,3. Different polymerases help synyhesize different RNA molecules.

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13y ago

RNA is ribonucleic acid: (biochemistry) a long linear polymer of nucleotides found in the nucleus but mainly in the cytoplasm of a cell where it is associated with microsomes; it transmits genetic information from DNA to the cytoplasm and controls certain chemical processes in the cell; "ribonucleic ...

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13y ago

RNA Polymerase releases an enzyme which splits DNA into 2 strands.

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Q: What is RNA polymerase and what is its job?
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