Practice Midterm II Key

Practice Midterm II Key - LS3H MIDTERM II INSTR: L. JOHNSON...

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1 LS3H MIDTERM II INSTR: L. JOHNSON Monday, February 24, 2003 NAME:_________________________________ (last) (first) I.D. #__________________________________ INSTRUCTIONS 1. This exam is 6 pages long. Page VALUE SCORE Before starting make sure you have all the pages. 2 21 2. WRITE YOUR NAME ON EVERY PAGE. 3 23 3. No credit will be given for an 4 20 illegible answer. 5 17 4. WRITE ONLY IN THE SPACE PROVIDED. NO OTHER ANSWER WILL BE GRADED. 6 19 Total 100 KEY
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2 NAME:_________________________________ ID __________________________ (last) (first) (23 pts) 2. Eukaryotic transcription is much more complex than prokaryotic transcription. a. What is the role of each of the three RNA polymerases in eukaryotes? Pol I ribosomal RNAs Pol II- mRNAs Pol III- small stable RNAs, tRNAs b. If you were able to move the TATA box to a new location 30 bp upstream of its original location, how would this affect transcription of this gene? Transcription would initiate 30 bp upstread of its original location,
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Practice Midterm II Key - LS3H MIDTERM II INSTR: L. JOHNSON...

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