Microbial Metabolic Pathways and Interactions Quiz
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Questions and Answers

What is the process carried out by syntrophs to make fermentation reactions energetically favorable?

  • Utilization of oxygen in the environment
  • Consumption of H2 or acetate by other organisms (correct)
  • Production of volatile fatty acids
  • Direct utilization of CO2

    • What are the end products of the reaction: Butyrate + 2H2O?

  • Acetate + CO2
  • 2 acetate + 2H2 (correct)
  • CO2 + H2O
  • Methane + CO2

    • What do acetogens produce from CO2 and H2?

  • Volatile fatty acids
  • Acetate (correct)
  • Methane
  • Oxygen

    • What is the main function of methanogens?

    <p>Produce methane from CO2 and H2</p> Signup and view all the answers

    What is the role of volatile fatty acids in the syntrophic food web?

    <p>Serve as substrates for other organisms</p> Signup and view all the answers

    What is the main function of syntrophs in the microbial food web?

    <p>Consuming H2 and acetate to make fermentation reactions energetically favorable</p> Signup and view all the answers

    What is the end product of the reaction: Butyrate + 2H2O?

    <p>Acetate and H2</p> Signup and view all the answers

    What is the role of acetogens in the syntrophic food web?

    <p>Consuming H2 and CO2 to produce acetate</p> Signup and view all the answers

    What is the main function of methanogens in the microbial food web?

    <p>Converting acetate into methane</p> Signup and view all the answers

    What is the process carried out by volatile fatty acids in the syntrophic food web?

    <p>Consumption of H2 and acetate</p> Signup and view all the answers

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