Q
For a bacterium to be seriously considered in the etiology of dental caries, it must______________?
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A
A. Exist regularly in the dental plaque
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B
B. Produce extracellular amylopectins
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C
C. Be lethal for gnotobiotic animals
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D
D. Produce intracellular dextrans
Correct Answer:
A. A. Exist regularly in the dental plaque