Viral Structure and Diversity Quiz

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Questions and Answers

Which of the following is a characteristic shared by both prokaryotes and viruses?

  • Ability to undergo photosynthesis
  • Presence of a nucleus
  • Lack of cytoplasmic organelles (correct)
  • Possession of ribosomes

What structural feature is common to both bacteriophages and coronaviruses?

  • Cell wall
  • Chloroplasts
  • Flagella
  • Capsid (correct)

Which row in the given information correctly shows the characteristics of viruses, prokaryotes, and eukaryotes?

  • Viruses: non-living, prokaryotes: unicellular, eukaryotes: multicellular
  • Viruses: unicellular, prokaryotes: acellular, eukaryotes: multicellular
  • Viruses: acellular, prokaryotes: unicellular, eukaryotes: unicellular and multicellular (correct)
  • Viruses: acellular, prokaryotes: acellular, eukaryotes: unicellular and multicellular

What is the function of structure X in the human immunodeficiency virus (HIV)?

<p>To facilitate entry into host cells (C)</p> Signup and view all the answers

What is the host of the human immunodeficiency virus (HIV)?

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

Which component is present in some viruses but not in both bacteriophages and coronaviruses?

<p>Tail fibers (B)</p> Signup and view all the answers

What is the first step in the viral infection process?

<p>Viral proteins bind to receptors on the host cell (B)</p> Signup and view all the answers

Which of the following is NOT evidence that viruses originated from other organisms?

<p>Lack of evidence for viral replication machinery (D)</p> Signup and view all the answers

In the diagram of HIV, which structure is composed of glycoproteins?

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

Which of the following is NOT a form of genetic material found in viruses?

<p>Triple-stranded DNA (A)</p> Signup and view all the answers

Which of the following statements about the coronavirus and HIV is correct?

<p>Both have a lipid envelope surrounding the capsid (B)</p> Signup and view all the answers

Which of the following is a limitation of antibiotics?

<p>They can cause antibiotic resistance in bacteria (C)</p> Signup and view all the answers

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