Food Microbiota Lecture Notes
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Questions and Answers

Which of the following is not a characteristic of cellular life?

  • Differentiation
  • Oxygenation (correct)
  • Reproduction
  • Metabolism
  • What are the two main groups of microbes based on their impact?

  • Complex and simple
  • Acidic and alkaline
  • Visible and invisible
  • Beneficial and harmful (correct)
  • According to the notes, what are the four types of macromolecules that constitute cells?

  • Glucose, Peptides, Triglycerides, RNA
  • Proteins, Lipids, Nucleic Acids, Carbohydrates
  • Enzymes, Starch, Oils, DNA
  • Amino Acids, Sugars, Fatty Acids, Nucleotides (correct)
  • Which scientist is associated with the postulates used to establish a causative relationship between a microorganism and a disease?

    <p>Robert Koch</p> Signup and view all the answers

    What is the general size range of microbes as defined in the notes?

    <p>Microscopic and invisible</p> Signup and view all the answers

    Which of the following best describes the characteristics of methanogens?

    <p>They belong to the Archea group of prokaryotes, lack peptidoglycan in the cell wall, and require anaerobic conditions.</p> Signup and view all the answers

    What is a defining characteristic of endospores?

    <p>High resistance, dormant structures formed by certain bacteria, and refractile appearance under the microscope.</p> Signup and view all the answers

    Which of these is a characteristic feature of exotoxins?

    <p>Toxicity is relatively high and has enzymatic activity.</p> Signup and view all the answers

    What are the distinguishing features of molds (filamentous mycelium)?

    <p>Have a body called thallus made up of aereal mycelium (Ma) and vegetative mycelium (Mvi).</p> Signup and view all the answers

    What is the main function of the human virome?

    <p>To promote health through phage therapy for bacterial infections.</p> Signup and view all the answers

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