Bacterial Nutrient Requirements Quiz
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Questions and Answers

What is the main source of energy for Chemoorganotrophs?

  • Utilization of water
  • Oxidation of inorganic substances
  • Utilization of sunlight
  • Oxidation of organic substances (correct)

    • What percentage of the dry weight of a bacterial cell is composed of nitrogen?

  • 14% (correct)
  • 5%
  • 20%
  • 25%

    • What role does iron play in bacterial cells?

  • Contributes to cellular wall structure
  • Part of cytochrome and enzyme activities (correct)
  • Stabilizes ribosomes
  • Part of cell membranes

    • Which inorganic ion stabilizes ribosomes, cell membranes, and nucleic acids in bacteria?

    <p>Magnesium</p> Signup and view all the answers

    What do Trace Elements function as in bacteria?

    <p>Co-factors for enzymes</p> Signup and view all the answers

    Which growth factor is essential for bacterial growth?

    <p>Vitamin B complex</p> Signup and view all the answers

    What is the main physical requirement for bacteria to acquire nutrients?

    <p>Moisture or water</p> Signup and view all the answers

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