The virulence factor 'Kanagawa hemolysin' is produced by

A. Vibrio cholerae
B. Vibrio parahaemolyticus
C. Vibrio vulnificus
D. None of the above
E. All of the above


Ans: B. Vibrio parahaemolyticus

Biology & Microbiology

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It is estimated that less than 4% of all cases of salmonellosis are reported

Indicate whether the statement is true or false.

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The Class Reptilia is a group of species that share a common ancestor, but does not include all of that

ancestor's descendants. It is therefore considered to be

a. monophyletic. b. polyphyletic. c. paraphyletic. d. an outgroup. e. a mosaic.

Biology & Microbiology

sodium helps to regulate pH and _______ balance in the body

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

The genes for purple eyes and curved wings are approximately 21 map units apart on chromosome II in Drosophila. Assume that a purple-eyed female was mated to a curved wing male and that the resulting F1 phenotypically wild-type females were mated to

purple, curved males. Of 1000 offspring, what would be the expected number of flies with purple eyes and curved wings? A) 210 B) 540 C) 790 D) 105 E) 395

Biology & Microbiology