Bacterial Growth and Replication
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Questions and Answers

Which bacterial type must grow in the absence of oxygen?

  • Microaerophilic
  • Obligate aerobe
  • Facultative anaerobe
  • Obligate anaerobe (correct)

    • Which enzyme detoxifies oxygen free radicals in bacteria by converting H2O2 to H2O + O2?

  • Superoxide dismutase
  • NADH
  • Catalase (correct)
  • Peroxidase

    • What are the nutritional requirements for bacterial growth?

  • Organic carbon, nitrogen, potassium, sulfur, and metal ions such as copper
  • Organic carbon, nitrogen, phosphorus, sulfur, and metal ions such as iron (correct)
  • Inorganic carbon, nitrogen, phosphorus, sulfur, and metal ions such as iron
  • Inorganic carbon, nitrogen, potassium, sulfur, and metal ions such as copper

    • Which type of bacteria can perform both fermentation and aerobic respiration?

    <p>Facultative anaerobe</p> Signup and view all the answers

    What are siderophores in bacterial growth?

    <p>Small molecules secreted by bacteria that bind iron</p> Signup and view all the answers

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