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10 Cards in this Set
- Front
- Back
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sigma factor in prokaroyoes
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bind to RNA polymerase
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region of DNA in prokaryotes that encodes a single protein
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cistron (polycistronic mRNA in bacteria)
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what happens to eukaryotic mRNA in nucleus
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5' cap is added (methylated GTP)
poly A tail is added to 3' end introns are removed and exons spliced to together |
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what does does RNA polymerase I II and III make in humans
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1- rRNA
II- mRNA III- tRNA |
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what does bacterial polymerase III do in bacteria
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replicates both strands, has proofreading ability, has 3' exonuclease ability to remove wrong nuceoltides
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what does bacterial ligase do
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joins okazaki fragments of lagging strand
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what does bacterial primase do
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RNA polymerase that copies parenteral strand and makes RNA primer
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what is the major DNA polymerase in humans
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delta...produces leadign strand
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what polymerase in humans creates lagging strand
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alpha...also has primase activity!
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what is the mitochondrial DNA polymerase
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gamma
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