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Introduction to Microbiology quiz #4

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  • Which bird eggs are the most common choices for viral propagation?


    Chicken eggs are commonly used for viral propagation.

  • In what/which domain(s) of life is/are microorganisms represented?


    Microorganisms are represented in all three domains: Bacteria, Archaea, and Eukarya.

  • Which microorganism grows inside macrophages?


    Mycobacterium tuberculosis can grow inside macrophages.

  • What factor affecting the growth of microbes can be controlled by incubators?


    Temperature is controlled by incubators to affect microbial growth.

  • What is the best example of a microbiome?


    The collection of microbes living in the human gut is a microbiome.

  • What situation might cause normal microbiota to become opportunistic pathogens?


    Immunosuppression can cause normal microbiota to become opportunistic pathogens.

  • What is a microbe?


    A microbe is an organism or infectious agent too small to be seen with the naked eye.

  • Which of these best demonstrates mutualism between certain types of bacteria and humans?


    Gut bacteria synthesizing vitamins for humans is an example of mutualism.

  • What soil properties are influenced by microorganism activity?


    Microorganisms influence soil fertility, structure, and nutrient cycling.

  • What is microbial antagonism?


    Microbial antagonism is when normal microbiota inhibit the growth of pathogens.

  • If a microbe lacks the basic cellular structure to reproduce, what is it classified as?


    It is classified as a virus, which is non-living and cannot reproduce independently.