Scelta multipla
Which of the following bacteria are the most prevalent in the human gut?
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26. Prokaryotes
Prokaryotic Diversity
Scelta multipla
The spore in prokaryotes is resistant to which of the following extreme environmental conditions?
A
Nutrient abundance
B
Low oxygen levels
C
High temperatures
D
High salinity
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Understand that prokaryotic spores, such as those formed by bacteria like Bacillus and Clostridium, are highly resistant structures designed to survive extreme conditions.
Recognize that spores are not typically formed in response to nutrient abundance, as they are a survival mechanism for adverse conditions.
Consider that low oxygen levels are not a primary threat to spores, as many spore-forming bacteria are anaerobic and can survive without oxygen.
Identify that high temperatures are a significant environmental stressor that spores are specifically adapted to withstand, due to their protective layers and heat-resistant proteins.
Acknowledge that while spores can resist high salinity to some extent, their primary adaptation is to survive high temperatures, making this the correct answer.
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