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
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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.
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.
sodium helps to regulate pH and _______ balance in the body
Fill in the blank(s) with the appropriate word(s).
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