08_Quiz_3_with_answers

08_Quiz_3_with_answers - E. coligenomes is known, the...

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MMG 431 - Quiz 3 September 22, 2008 1. If purified DNA is introduced into E. coli by electroporation , this procedure would be classified as an act of: A . translocation B . transduction C. transformation D. transposition E. conjugation 2. The antibiotic Ciprofloxacin inhibits the activity of bacterial: A. DNA polymerases B. DNA helicases C. DNA gyrases D. Primases E. DNA ligases 3. The approximate size of the E. coli genome is: A. 0.58 Mbp, B. 1.27 Mbp, C. 4.68 Mbp, D. 9.32 Mbp, E. 2500 Mbp 4. Since the entire nucleotide sequence of several
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Unformatted text preview: E. coligenomes is known, the quickest way to obtain the polA gene from the enteropathogenic E. coli O157-H7 strain would be: A. Southern blot hybridization B . reverse transcription C. PCR D. restriction mapping E. sequencing of the E. coli O157-H7 genome 5. To determine the mode of DNA replication, Messelson and Stahl started with E.coli cells that were grown in a medium containing: A. 32 P-phosphate, B. 35 S-sulfate, C. CsCl, D. 15 NH 4 Cl, E. ATP. W: 2.45 of 5 C: 2.07 of 5...
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This note was uploaded on 05/01/2010 for the course MMG 431 taught by Professor Bertrand during the Spring '08 term at Michigan State University.

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