Reverse Transcriptase Activity - • There is a specialized...

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Reverse Transcriptase Activity 1. RNA-directed DNA polymerase. A tRNA molecule serves as a primer. 2. RNase H a) Removes genomic RNA b) Removes RNA primer 3. DNA directed DNA polymerase The drug AZT, used in AIDS therapy, blocks this activity of reverse transcriptase. Protein Degredation Proteins are in a continual state of turnover in cells.
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Unformatted text preview: • There is a specialized organelle, comparable to a ribosome, called a proteasome , which degrades proteins within prokaryotic and eukaryotic cells. • In eukaryotes, ubiquitin , a 76 residue polypeptide, is frequently covalently attached to proteins to target them for degradation....
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This note was uploaded on 04/07/2008 for the course MCB 450 taught by Professor Mintel during the Fall '07 term at University of Illinois at Urbana–Champaign.

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