BIOC 300 Transcription Comparison Between Prokaryotes and Eukaryotes

BIOC 300 Transcription Comparison Between Prokaryotes and Eukaryotes

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Transcription Comparison Between Prokaryotes and Eukaryotes Prokaryotes Eukaryotes TATA box -10 -30 to -100 (further) CAAT box -35 element (TTGACA) can’t vary in position CAAT box Can vary in position RNA Pol ONE: (5 components) 2 alpha * 1 beta * 1 beta prime * 1 sigma 70 <*core> THREE: RNA Pol I: 45S RNA RNA Pol II: pre-mRNA Primer required No Yes Transcription Bubble Yes TFII H opens up helix Highly regulated No Yes RNA processing No Yes Initiator element (Inr) No -3 to +5
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Unformatted text preview: Downstream core promotor element (DPE) No +28 to +32 commonly in genes without TATA GC box No For constitutively expressed genes Can vary in position Promotor element recognizing By RNA Pol By Proteins Location of RNA Pol Cytoplasm RNA Pol I: nucleolus RNA Pol II&amp;III: nucleoplasm Termination: G-C rich region Yes No Termination: rho; prompted by C-rich region Yes No Drugs Rifampicin prevents linkages of first few nucleotides...
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