Which of the following bacteria is responsible for the most common bacterial gastroenteritis in the United States, usually accompanied by frequent, bloody diarrhea?
A. Borrelia recurrentis
B. Campylobacter jejuni
C. Chlamydophila pneumoniae
D. Vibrio cholerae
E. Vibrio vulnificus
Answer: B
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Chaperone-type proteins that stabilize other proteins in response to environmental stresses such as
salinity, drought, heat, and cold are
a. systemins. b. phytoalexins. c. PR proteins. d. R genes. e. heat-shock proteins.
In 2006, the U.S. generated __________ tons of
trash. a. 22 billion b. 251 million c. 29 million d. 200 million e. none of these
Arrange the following in order from smallest to largest.
a. Nucleoside, nucleotide, genome, gene b. Nucleoside, nucleotide, gene, genome c. Genome, gene, nucleotide, nucleoside d. Gene, nucleotide, genome, nucleoside e. Nucleotide, nucleoside, gene, genome
Which group of photosynthetic, mostly marine protists was named for the motion created by their two whip-like flagella?
A) Dinoflagellates B) Apicomplexans C) Euglenids D) Cercozoans E) Amoebas