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Questions and Answers
What is the main reason for the oxygen sensitivity of obligate anaerobes?
What is the main reason for the oxygen sensitivity of obligate anaerobes?
- Lack of oxygen within cells
- High atmospheric oxygen concentration
- Formation of reactive oxygen species
- Oxidative stress and enzyme production (correct)
What can molecular oxygen be readily reduced to within cells?
What can molecular oxygen be readily reduced to within cells?
- Methane and ethane
- Nitrogen and hydrogen
- Carbon dioxide and water
- Superoxide and hydrogen peroxide (correct)
What are superoxide, hydrogen peroxide, and hydroxyl radicals collectively known as?
What are superoxide, hydrogen peroxide, and hydroxyl radicals collectively known as?
- Oxidative stress molecules
- Harmless compounds
- Reactive oxygen species (ROS) (correct)
- Anaerobic byproducts
At what oxygen concentration do some obligate anaerobes lose viability?
At what oxygen concentration do some obligate anaerobes lose viability?
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What is the result of a reaction between superoxide and hydrogen peroxide?
What is the result of a reaction between superoxide and hydrogen peroxide?
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