The most common infectious agent acquired from the bite wounds of a number of kinds of animals is
A. Escherichia coli.
B. Pasteurella multocida.
C. Actinomyces israelii.
D. Pseudomonas aeruginosa.
B
You might also like to view...
The deposits of the following phytoplankton are used commercially in polishes and filtering devices:
a. dinoflagellates. b. foraminiferans. c. coccolithophores. d. diatoms. e. radiolarians.
A bacterium that uses the oxidation of inorganic compounds to provide energy for manufacturing
nutritious organic compounds is a: a. photoautotroph. b. parasite. c. saprotroph. d. chemoautotroph. e. pathogen.
After eating eggs for breakfast, you return in the evening, dunk the dirty dishes in water, and notice the yellow streaks remain "dried on." However, after soaking awhile, the complex of various egg yolk molecules easily "washes off." What has happened?
A. Heating denatured the egg protein molecules, hydrolysis reactions then formed bonds in the dried egg, and soaking in water eventually resulted in condensation reactions where water broke these bonds. B. Heating denatured the egg protein molecules, unorganized condensation reactions then formed bonds in the drying egg, and soaking in water eventually resulted in hydrolysis reactions where water broke these bonds. C. The egg monomers were fused to become one polymer, which was easily dissolved by water back into monomers. D. The presence or absence of water changes the molecules from hydrophilic to hydrophobic respectively. E. The addition of water converted organic molecules into inorganic molecules.
________ are cyclic nitrogenous bases with two rings and pronounced aromatic properties.
A. Quinones B. Purines C. Amino acids D. Fatty acids