Undercooked shellfish contaminated with ________ can lead to foodborne illness.
A. Toxoplasma gondii
B. Campylobacter jejuni
C. Listeria monocytogenes
D. Yersinia enterocolitica
E. Vibrio vulnificus
Answer: E
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Which of the following statements is true regarding CO2 capture and the Calvin cycle in CAM plants? Select all correct choices
A. CO2 capture occurs at night and the Calvin cycle takes place in the day. B. CO2 is captured in mesophyll cells and the Calvin cycle occurs in bundle-sheath cells. C. CO2 capture and the Calvin cycle both occur in the same cell. D. CO2 capture and the Calvin cycle both occur during the day (in sunlight).
In retroviruses, what helps the newly synthesized dsDNA insert itself into the host genome?
A. Gag polyprotein B. Integrase C. Reverse Transcriptase D. Provirus
If the anticodon sequence of a(n) ____ is correct, a special enzyme will bind to it and "charge" it by
adding the correct amino acid to its 3' end.
a. pre-mRNA b. tRNA c. snRNA d. mRNA e. rRNA
Traditional and molecular phylogenies disagree on which one of the following issues?
A. whether or not the Eumetazoa are monophyletic B. whether the Bilateria and Radiata split early into separate monophyletic clades C. whether the split between Parazoa and Eumetazoa occurred at a very early stage in animal evolution D. whether Echinodermata and Chordata are both deuterostomes E. whether the appearance and type of coelom is important in interpreting phylogeny