Vibrio cholerae can be readily isolated and identified in the laboratory from stool samples by

A. its robust chemotactic response to the presence of chitin.
B. dark-field microscopy looking for motility.
C. its ability to grow at high temperature and produce zones of clearing on blood agar.
D. growth on selective media followed by PCR of its 16S rRNA gene.


Answer: B

Biology & Microbiology

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