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 (B)</p> Signup and view all the answers

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

<p>Microscopic and invisible (D)</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. (C)</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. (A)</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. (A)</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). (E)</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. (C)</p> Signup and view all the answers
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