5 Questions
What is the main reason for the oxygen sensitivity of obligate anaerobes?
Oxidative stress and enzyme production
What can molecular oxygen be readily reduced to within cells?
Superoxide and hydrogen peroxide
What are superoxide, hydrogen peroxide, and hydroxyl radicals collectively known as?
Reactive oxygen species (ROS)
At what oxygen concentration do some obligate anaerobes lose viability?
Greater than 0.5%
What is the result of a reaction between superoxide and hydrogen peroxide?
Formation of a free hydroxyl radical (OH.)
Test your knowledge of obligate anaerobes and their sensitivity to oxygen with this quiz. Explore the varying oxygen tolerance levels among different species and learn about the factors that contribute to their survival in low oxygen environments.
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