Virus Taxonomy and Nomenclature
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Questions and Answers

What is the characteristic of Eubacteria cell walls?

  • Lack a cell wall
  • Composed of a lipid and protein complex
  • Composed of a carbohydrate and protein complex (correct)
  • Primarily made up of cellulose

    • How do Eubacteria typically reproduce?

  • Through binary fission (correct)
  • Through mitosis
  • Through photosynthesis
  • Through meiosis

    • What is a characteristic of Eubacteria in terms of cellular structure?

  • They have a large nucleus
  • They lack a nucleus (correct)
  • They have a cell wall made of cellulose
  • They have multiple cells

    • How should a species, genus, and family of a virus be formatted when used in a taxonomic sense?

    <p>In italics</p> Signup and view all the answers

    What is the rule for capitalizing a virus name?

    <p>Only capitalize the virus name if it has a proper name in it</p> Signup and view all the answers

    What is the rule for abbreviating a virus name?

    <p>Only abbreviate the virus name after defining it</p> Signup and view all the answers

    What is a characteristic unique to fungi among the microorganisms mentioned?

    <p>Presence of a distinct nucleus containing genetic material</p> Signup and view all the answers

    What is the primary mode of nutrition in fungi?

    <p>Absorbing dissolved molecules</p> Signup and view all the answers

    Which of the following is a characteristic of helminths?

    <p>Multicellular animal parasites</p> Signup and view all the answers

    What is the primary function of light, water, and carbon dioxide for algae?

    <p>Enabling photosynthesis and food production</p> Signup and view all the answers

    What is a characteristic shared by both algae and fungi?

    <p>Eukaryotic cell structure</p> Signup and view all the answers

    Which of the following is a characteristic of molds?

    <p>Multicellular structure with hyphae</p> Signup and view all the answers

    What is the primary reason viruses are not considered living organisms?

    <p>They are unable to reproduce on their own</p> Signup and view all the answers

    What is the main purpose of Koch's Postulates?

    <p>To establish the criteria for determining the cause of a disease</p> Signup and view all the answers

    What is the term for an individual who is infected with a pathogen but does not show symptoms of the disease?

    <p>Asymptomatic carrier</p> Signup and view all the answers

    What is the characteristic of opportunistic pathogens that distinguishes them from other pathogens?

    <p>They take advantage of a compromised immune system</p> Signup and view all the answers

    What is the structure of a virus particle or virion?

    <p>A small amount of DNA or RNA wrapped in protein and sometimes by a lipid membrane</p> Signup and view all the answers

    What is the fourth criterion of Koch's Postulates?

    <p>The microorganism must be re-isolated from the inoculated, diseased individual and matched to the original microorganism</p> Signup and view all the answers

    What is the primary goal of treatment in medical microbiology?

    <p>To eliminate or control the infection, alleviate symptoms, and prevent complications</p> Signup and view all the answers

    What is the term for the study of the causes or origins of diseases or conditions?

    <p>Etiology</p> Signup and view all the answers

    What is the term for the process by which a disease or condition develops and progresses within the body?

    <p>Pathogenesis</p> Signup and view all the answers

    What is the term for the measures and practices implemented to prevent and reduce the transmission of infectious agents?

    <p>Infection control</p> Signup and view all the answers

    What is the term for the science of bacteria that can cause infectious diseases in humans?

    <p>Medical Bacteriology</p> Signup and view all the answers

    What is the term for the microorganisms that reside on either surface of the body or at mucosa without harming human health?

    <p>Commensals</p> Signup and view all the answers

    What is a major limitation of the germ theory of disease?

    <p>It oversimplifies the complex interactions between host and environment</p> Signup and view all the answers

    Which of the following is a reason why not all pathogens are culturable?

    <p>Some pathogens are obligate human pathogens</p> Signup and view all the answers

    What is implied by the statement 'infectious disease is primarily caused by transmission of an organism from one host to another—is a gross oversimplification'?

    <p>The germ theory neglects other factors that contribute to disease</p> Signup and view all the answers

    Why do pathogens may become less pathogenic when grown in vitro?

    <p>They are affected by the lack of host immune system</p> Signup and view all the answers

    What is an example of a multifactorial disease?

    <p>A disease caused by a combination of genetic and environmental factors</p> Signup and view all the answers

    What is the main argument against the germ theory of disease?

    <p>It is too simplistic and neglects other factors</p> Signup and view all the answers

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