Metal-Microbe Interactions in Bioremediation and Mining
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Questions and Answers

What role do iron-oxidising bacteria play in the mining of copper?

  • Facilitating acid biomineralisation of copper ores
  • Assisting in the leaching of copper sulfide minerals (correct)
  • Participating in the reduction of copper ions
  • Promoting biosorption of copper ions
  • Which bacterium is involved in the bioremediation process of wastewater containing uranium?

  • Desulfovibrio desulfuricans (correct)
  • Rhodococcus equi
  • Acidithiobacillus ferrooxidans
  • Pseudomonas aeruginosa
  • What is the enzymatic agent used by Desulfovibrio desulfuricans to treat water containing U(VI)?

  • Catechol Dioxygenase
  • Cytochrome c3 (correct)
  • Monooxygenase
  • Epoxide Diol
  • What is the source of carbon and energy for microorganisms degrading xenobiotics like PCBs?

    <p>Benzoic acid</p> Signup and view all the answers

    Which process allows microorganisms to be adapted to catabolise xenobiotics with similar structures to natural compounds?

    <p>Continuous culture</p> Signup and view all the answers

    What type of bond is particularly strong in the context of degradation of fluoroacetate?

    <p>C-F bond</p> Signup and view all the answers

    Which bacteria has been genetically modified to protect sheep from fluoroacetate poisoning?

    <p>Butyrovibrio fibrisolvens</p> Signup and view all the answers

    Which enzyme is involved in the degradation of RDX by Rhodococcus rhodochrous 11Y?

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

    What is the key factor that allows Diennococcus radiodurans to resist high doses of radiation?

    <p>Multiple copies of genome</p> Signup and view all the answers

    What is the purpose of adding inorganic nutrients to oil spills to encourage bioremediation?

    <p>To activate hydrocarbon chains</p> Signup and view all the answers

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