Microbiology Question:
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What is the O antigen of Enterobacteriaceae?

Answers:

Answer #1
* A. Cell surface polysaccharide
* B. A channel controlling substance taken into the organism.
* C. A flagellar protein
* D. A peptidoglycan matrix important for cellular rigidity
* E. Cell wall lipopolysaccharide

Correct Answer: E

Answer #2
Cellwall lipopolysaccharide

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All Enterobacteriaceae share all of the following characteristics EXCEPT?Which of the following statements about the 23-valent pneumococcal vaccine is not correct?