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Questions and Answers
Which bacterial type must grow in the absence of oxygen?
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?
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?
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?
Which type of bacteria can perform both fermentation and aerobic respiration?
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What are siderophores in bacterial growth?
What are siderophores in bacterial growth?
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