Virus Quiz
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Questions and Answers

What is the structure of a virus?

  • A bacterial entity with a rigid cell wall and tail fibres
  • A cellular entity with organelles and ribosomes
  • A plant entity with a mobile lipid bilayer membrane
  • A non-cellular entity with a protein shell and nucleic acid (correct)

    • How do animal cells and plant cells differ in virus penetration?

  • Animal cells have a mobile lipid bilayer membrane and viruses enter via fusion
  • Plant cells have a mobile lipid bilayer membrane and viruses enter via endocytosis
  • Animal cells have a rigid cell wall and viruses enter via damaged cell walls
  • Plant cells have a rigid cell wall and viruses enter via a vector (correct)

    • What is the origin of viruses according to the ancient theory?

  • Viruses are a result of a single origin event
  • Viruses descend from free-living organisms, becoming parasitic
  • Viruses have their origin in self-replicating molecules in the pre-cellular world (correct)
  • Viruses originate from genetic material escaping from genomes of larger organisms

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