Which of the following is a spore-forming bacterium?

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Study for the NBEO Microbiology exam. Prepare with flashcards and multiple choice questions, each with hints and explanations. Get ready for your exam!

Multiple Choice

Which of the following is a spore-forming bacterium?

Explanation:
Spore formation is a survival strategy used by certain bacteria to endure harsh conditions. Clostridium botulinum is a classic spore-former; it makes endospores that can withstand heat and drying, helping the organism persist in soil and improperly stored foods. The other organisms listed do not form spores—they grow as vegetative cells and are not known for producing durable endospores. Escherichia coli is a Gram-negative rod, Staphylococcus aureus is a Gram-positive cocci, and Neisseria meningitidis is a Gram-negative diplococcus, none of which form spores.

Spore formation is a survival strategy used by certain bacteria to endure harsh conditions. Clostridium botulinum is a classic spore-former; it makes endospores that can withstand heat and drying, helping the organism persist in soil and improperly stored foods. The other organisms listed do not form spores—they grow as vegetative cells and are not known for producing durable endospores. Escherichia coli is a Gram-negative rod, Staphylococcus aureus is a Gram-positive cocci, and Neisseria meningitidis is a Gram-negative diplococcus, none of which form spores.

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