16 Questions
Which of the following best defines virology?
The study of viruses and virus-like agents, including their taxonomy, disease-producing properties, cultivation, and genetics
What is the meaning of the term 'virus'?
Toxin
What are virus particles made up of?
Genetic material and protein
What term describes viruses as agents that require a host cell for replication?
Obligate intracellular parasites
What do viruses vary in?
Size and shape
What does virology often consider itself a part of?
Microbiology or pathology
What are the two main components of a virus?
Protein and Genome
Which type of symmetry is exhibited by the Influenza virus?
Helical (spiral) symmetry
Which type of virus infects bacterial cells?
Bacteriophage
What is the geometric shape of an icosahedral structure?
12 corners (vertices), 20 sides (facets), and 30 edges
Which type of viral classification is based on the chemical composition and mode of replication?
Baltimore classification
What distinguishes complex symmetry viruses from helical or icosahedral viruses?
They are composed of separate capsomeres with separate shape and symmetry
What is the role of the protein component (capsid) in a virus?
To protect the genome
Which type of virus infects plants by invading plant cells?
Plant viruses
What is the function of the envelope in a virus?
To help in viral attachment and entry into host cells
Which classification system is based on the host range of a virus?
Host range classification
Learn about virology, viral classification, virus structure, and viral replication in this comprehensive presentation. Understand the taxonomy, disease-producing properties, cultivation, and genetics of viruses.
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