12 Questions
Which of the following is a characteristic shared by both prokaryotes and viruses?
Lack of cytoplasmic organelles
What structural feature is common to both bacteriophages and coronaviruses?
Capsid
Which row in the given information correctly shows the characteristics of viruses, prokaryotes, and eukaryotes?
Viruses: acellular, prokaryotes: unicellular, eukaryotes: unicellular and multicellular
What is the function of structure X in the human immunodeficiency virus (HIV)?
To facilitate entry into host cells
What is the host of the human immunodeficiency virus (HIV)?
Humans
Which component is present in some viruses but not in both bacteriophages and coronaviruses?
Tail fibers
What is the first step in the viral infection process?
Viral proteins bind to receptors on the host cell
Which of the following is NOT evidence that viruses originated from other organisms?
Lack of evidence for viral replication machinery
In the diagram of HIV, which structure is composed of glycoproteins?
Envelope
Which of the following is NOT a form of genetic material found in viruses?
Triple-stranded DNA
Which of the following statements about the coronavirus and HIV is correct?
Both have a lipid envelope surrounding the capsid
Which of the following is a limitation of antibiotics?
They can cause antibiotic resistance in bacteria
Test your knowledge on viral structure, lytic and lysogenic cycles, origins, and rapid evolution of HIV and influenza viruses. Learn about the characteristics of viruses and how they differ from prokaryotes and unicellular organisms. Identify common structures in bacteriophages and coronaviruses.
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