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Past Exam for BIOL 2004 - Genetics with Falkinham at Virginia Tech (VT)

Exam Information

Material Type:Exam 2
Professor:Falkinham
Class:BIOL 2004 - Genetics
Subject:Biological Sciences
University:Virginia Polytechnic Institute And State University
Term:Fall 2006
Keywords:
  • Bacteriophage
  • Double Stranded Dna
  • Double-Stranded Dna
  • Duplications
  • Single Stranded Dna
  • Transduction
  • Complementary
  • Mycobacterium
  • Recombination
  • Double Stranded
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Sample Document Text

1 Examination 2 5 October 2006 Introductory Genetics BIOL 2004 CRN 90817 1. Which of the following mechanisms can result in both gene duplication and gene deletion? (1) Transduction and recombination (2) Unequal recombination and recombination between transposable elements (3) Only transduction (4) Only transposition (5) Only unequal recombination (6) Answers (1) and (2) 2. Which of the following provides an explanation for why DNA in both prokaryotic and eukaryotic cells is negatively supercoiled? (1) Because all DNA is circular and has to be negatively supercoiled to prevent kinks (2) Negative supercoils make the separate strands in coiled DNA more compact for histone binding (3) Negative supercoils make it easier to separate or unwind the DNA into single strands (4) Negative and positive supercoils have the same effect; they prevent DNase degradation (5) All the above (6) Answers (3) and (4) 3. What will be the result of mixing DNA isolated from a smooth strain of Streptococcus pneumoniae with cells of ...

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