Nucleic Acids and Central Dogma Quiz
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Questions and Answers

What did Fred Griffith's experiment with Streptococcus pneumoniae demonstrate?

  • Resistance of mice to virulent bacteria
  • Inability of mice to recover from nonvirulent bacteria infection
  • Killing of virulent bacteria by heat
  • Transformation of nonvirulent bacteria into virulent pathogens (correct)

    • What is the genotype of procaryotes?

  • Triploid (3N)
  • Haploid (1N) (correct)
  • Diploid (2N)
  • Tetraploid (4N)

    • What is the phenotype of an organism?

  • Influence of the environment
  • Observable characteristics (correct)
  • Genetic mutations
  • Specific set of genes

    • Who first showed that DNA was the genetic material?

    <p>Fred Griffith</p> Signup and view all the answers

    What did O. T. Avery, C. M. MacLeod, and M. J. Hershey's work contribute to?

    <p>Understanding DNA as the genetic material</p> Signup and view all the answers

    What is the genotype of eucaryotic microorganisms?

    <p>Diploid (2N)</p> Signup and view all the answers

    Who conducted the experiment that demonstrated the transformation of nonvirulent bacteria into virulent pathogens?

    <p>Fred Griffith</p> Signup and view all the answers

    What did Fred Griffith find when he injected a combination of killed virulent bacteria and a living nonvirulent strain into mice?

    <p>The mice died and living virulent bacteria could be recovered from the dead mice</p> Signup and view all the answers

    What is the phenotype of an organism?

    <p>The collection of observable characteristics</p> Signup and view all the answers

    What did the experimentation involving both bacteria and bacteriophages elucidate?

    <p>The nature of genetic information</p> Signup and view all the answers

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