A 37-year-old man has a self-limited with an explosive onset of watery diarrhea and nausea, vomiting, abdominal cramps, headache, and low-grade fever 2 days after winning a sushi eating contest. Which of the following is the cause of the diarrhea?
A. Salmonella typhi
B. Vibrio parahaemolyticus
C. Shigella dysenteriae
D. Vibrio vulnificus
E. Vibrio cholerae
Ans: B. Vibrio parahaemolyticus
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LUCA is
A) the last universal common ancestor. B) the individual ancestor of each of the three domains. C) actually somewhat of a misnomer because it is now believed that each of the domains arose independently. D) All of the answers are correct.
__________ shifts the range of variation in traits in one direction Fill in the blank(s) with the appropriate word(s)
During alcoholic fermentation, __________ is converted into ethanol. Fill in the blank(s) with the appropriate word(s)
If some people who inherit a dominant allele have the phenotype associated with it and others who
inherit it do not, the allele is said to demonstrate a. incomplete dominance. b. incomplete penetrance. c. codominance. d. continuous variation. e. polygenicity.