The dose of an antigen that kills 50% of animals in a test group and is used to estimate the virulence of a pathogen is known as_________ .
Correct Answer:
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Q32: The collective term for the organisms living
Q33: Neisseria gonorrhoeae adheres to mucosal epithelial cells
Q34: To control tooth decay in developed countries,_
Q35: Which genus does NOT produce hyaluronidase?
A) Procholorococcus
B)
Q36: Which disease CANNOT be prevented via the
Q38: Normal flora in the duodenum are
A) tolerant
Q39: _in saliva cleaves glycosidic linkages in peptidoglycan
Q40: The ability of an organism to cause
Q42: To speed the establishment of competitive flora,
Q64: Endotoxins are released in large amounts only
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