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Microbiology Key Concepts

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Termini in questo insieme (16)

  • Which scientist established criteria for determining the etiological agent of infectious disease?
    Robert Koch established criteria known as Koch's postulates to identify the causative agent of infectious diseases.
  • What is aseptic technique and why is it central to healthcare?
    Aseptic technique involves practices that prevent contamination by pathogens, crucial for reducing infections in healthcare settings.
  • What is a nosocomial infection?
    A nosocomial infection is an infection acquired in a hospital or healthcare facility.
  • What is the scientific method and its steps?
    The scientific method is a systematic process to answer questions: observation, hypothesis, experimentation, analysis, and conclusion.
  • What does a microbe's morphology describe?
    Morphology describes the shape, size, and arrangement of microbial cells.
  • Name the three domains of life.
    The three domains are Bacteria, Archaea, and Eukarya.
  • What is a strain in microbiology?
    A strain is a genetic variant or subtype of a microbial species.
  • What is binomial nomenclature and who developed it?
    Binomial nomenclature is the two-name system for naming species, developed by Carl Linnaeus.
  • Describe parasitism in symbiotic relationships.
    Parasitism is a relationship where one organism benefits at the expense of the other.
  • Describe mutualism in symbiotic relationships.
    Mutualism is a symbiotic relationship where both organisms benefit.
  • Describe commensalism in symbiotic relationships.
    Commensalism is a relationship where one organism benefits and the other is neither helped nor harmed.
  • What is our normal microbiota?
    Normal microbiota are the microorganisms that normally live on and in the human body without causing disease.
  • What type of symbiotic relationship do we have with our normal microbiota?
    We have mostly mutualistic and commensal relationships with our normal microbiota.
  • What commonly causes disruptions in the normal microbiota?
    Antibiotic use is a common cause of disruptions in the normal microbiota.
  • What is a biofilm? Give an example.
    A biofilm is a community of microbes attached to a surface, such as dental plaque on teeth.
  • What is bioremediation?
    Bioremediation is the use of microbes to clean up environmental pollutants.