Carl Woese's Classification System Quiz
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Questions and Answers

Which scientist reanalyzed the classification of organisms using the information on nucleic acids and proposed the three domains Eukarya, Bacteria, and Archaea?

  • Louis Pasteur
  • James Watson
  • Carl Woese (correct)
  • Gregor Mendel
  • Which group were previously lumped together as 'Monera' before the reclassification by Carl Woese?

  • Bacteria and Archaea (correct)
  • Plants and Animals
  • Eubacteria and Archaebacteria
  • Fungi and Protists
  • What revealed that Archaea have a closer evolutionary relationship to Eukarya than that of Bacteria?

  • 16s rRNA analysis (correct)
  • Fossil records
  • Morphological analysis
  • Biochemical analysis
  • What are the currently existing three domains proposed by Carl Woese?

    <p>Eukarya, Bacteria, Archaea (C)</p> Signup and view all the answers

    What are the two major phyla in which known Archaea were previously grouped?

    <p>Euryarchaeota and Crenarchaeota (C)</p> Signup and view all the answers

    What did Carl Woese's reanalysis of classification using nucleic acids lead to?

    <p>The discovery of the three domains: Eukarya, Bacteria, and Archaea (A)</p> Signup and view all the answers

    What did the examination of molecular, biochemical, and other morphological features reveal about Archaea?

    <p>They have a closer evolutionary relationship to Eukarya than to Bacteria (B)</p> Signup and view all the answers

    What were the two major phyla in which known Archaea were previously grouped?

    <p>Euryarchaeota and Crenarchaeota (D)</p> Signup and view all the answers

    What are the currently existing three domains as proposed by Carl Woese?

    <p>Eukarya, Bacteria, Archaea (A)</p> Signup and view all the answers

    Which of the following is NOT a new branch of Archaea discovered after refinement of 16s rRNA analysis?

    <p>Euryarchaeota (C)</p> Signup and view all the answers

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