Vibrio cholerae is most often associated with
A. breathing air.
B. eating food.
C. drinking water.
D. touching animals
C. drinking water.
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The central nervous system is lacking in animals that have _____
A) a complete gut B) bilateral symmetry C) radial symmetry D) a closed circulatory system E) excitable membranes
Which of the following inhibits bacterial growth but does not kill bacteria?
A. Antiseptic agent B. Lysozyme C. Bacteriostatic agent D. Bactericidal agent
Cardiac glycosides, molecules causing a drastic effect on vertebrate heart function, are produced as defensive chemicals by plants belonging to
A. the milkweed and dogbane families. B. the mustard family. C. the grass family. D. the poison ivy, oak, and sumac families. E. the bean family.
Equilibration of pressure between the intrapleural space and the alveoli will lead to which of the following?
A) air moving into the lungs B) restrictive pulmonary disease C) a pneumothorax (the lung will collapse) D) air moving out of the lungs E) chronic obstructive pulmonary disease