Multiple Choice
Which of the following characteristics is true of Shigella species in the context of the bacterial world?
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1. Introduction to Microbiology
Members of the Bacterial World
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Pus-forming bacterial cells that form in long chains and cause blood poisoning are called:
A
Staphylococci
B
Streptococci
C
Bacilli
D
Diplococci
Verified step by step guidance1
Understand the terminology: 'pus-forming bacterial cells' refers to bacteria that cause pus formation, often associated with infections.
Recognize the shape and arrangement: 'long chains' indicates that the bacteria are arranged in chains rather than clusters or pairs.
Recall that 'Staphylococci' are bacteria that form clusters resembling grape-like bunches, not chains.
Know that 'Diplococci' are bacteria arranged in pairs, and 'Bacilli' are rod-shaped bacteria, not necessarily forming chains.
Identify that 'Streptococci' are spherical bacteria that form long chains and are known to cause blood poisoning (septicemia), making them the correct answer.
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