Biotechnology: P.stutzeri's Role in Art Restoration
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Questions and Answers

What type of bacteria was used in Italy to rescue art work covered in protective glue?

  • Bacillus subtilis
  • Staphylococcus aureus
  • Escherichia coli
  • Pseudomonas stutzeri (correct)

    • What traditional chemical reagents further damaged the paintings?

  • Ethanol
  • Pseudomonas stutzeri (correct)
  • Acetone
  • Hydrogen peroxide

    • What can Pseudomonas stutzeri degrade?

  • Cellulose and hemicellulose
  • Nitrogens, plastic resins, and tetrachloroethylene (correct)
  • Proteins and nucleic acids
  • Carbohydrates and lipids

    • What is the most abundant type of microorganisms on earth?

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

    Which type of organisms are too small to be seen individually by the naked eye?

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

    What is the primary focus of the passage?

    <p>The use of Pseudomonas stutzeri in bioremediation</p> Signup and view all the answers

    Which of the following statements is true about Pseudomonas stutzeri based on the passage?

    <p>It degrades nitrogens, plastic resins, and pollutants such as tetrachloroethylene</p> Signup and view all the answers

    What is the significance of the 6 to 12 hour contact time mentioned in the passage?

    <p>It highlights the speed at which Pseudomonas stutzeri degrades pollutants</p> Signup and view all the answers

    Which type of microorganisms are NOT mentioned in the passage?

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

    Based on the passage, what percentage of the earth's living matter do microbes comprise?

    <p>Around 50%</p> Signup and view all the answers

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