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Introduction to Microbiology quiz #2

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Termini in questo insieme (9)

  • What method results in isolated colonies within and on top of the agar?

    The streak plate method results in isolated colonies within and on top of the agar.

  • What type of food is least likely to support bacterial growth?

    Dry foods, such as crackers, are least likely to support bacterial growth.

  • What would happen if a pathogen lost the ability to make adhesins?

    The pathogen would have reduced ability to attach to host cells and cause infection.

  • How did the earliest single-celled microorganisms produce energy to drive metabolic processes?

    Earliest single-celled microorganisms produced energy through anaerobic metabolic processes.

  • Which term describes a microbe that grows in a habitat with a high solute concentration?

    A halophile grows in habitats with high solute concentration.

  • Which name is given to microbes that grow in environments where the pH is lower than 7?

    Acidophiles grow in environments with pH lower than 7.

  • What is the purpose of the sterile spreader?

    A sterile spreader is used to evenly distribute microbes on the surface of agar plates.

  • What type of spores are used in the laboratory to identify fungi?

    Fungal spores, such as conidia, are used to identify fungi in the laboratory.

  • What does a pure culture contain?

    A pure culture contains only one species of microorganism.