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Question
Biology
Posted 10 months ago
1.) Briefly describe the differences between the oxygen requirements and tolerance of aerobes, facultative aerobes, and obligate aerobes.
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Answer from Sia
Posted 10 months ago
Answer
Aerobes require oxygen, facultative anaerobes can live with or without oxygen, and obligate anaerobes cannot tolerate oxygen.
Solution
a
Aerobes: These organisms require oxygen for their metabolic processes, specifically for the production of ATP via aerobic respiration
b
Facultative Anaerobes: These organisms can switch between aerobic respiration when oxygen is present and anaerobic pathways (such as fermentation) when it is absent
c
Obligate Anaerobes: These organisms are harmed by the presence of oxygen and must live in oxygen-free environments. They rely solely on anaerobic processes to generate ATP
Key Concept
Oxygen requirements and tolerance in bacteria
Explanation
Aerobes need oxygen to survive, facultative anaerobes can adapt to the presence or absence of oxygen, and obligate anaerobes are poisoned by oxygen.
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