Important sources of contamination in crowded locations are
A. blood.
B. droplets of saliva or mucus.
C. restrooms.
D. kitchens.
B
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Daptomycin requires free calcium for its antibacterial action, is inhibited by pulmonary surfactant, and has activity against gram-positive bacteria. Gram-positive bacterial isolates can be tested for daptomycin susceptibility. For which type of infection should daptomycin susceptibility NOT be reported?
a. Bacteremia b. Meningitis c. Pneumonia d. Skin/Soft tissue infection
Mussels and sponges sometimes contain methanotrophs as intracellular symbionts because the methanotrophs
A. allow the partnership to use hydrogen sulfide as a source of electrons. B. remove otherwise toxic levels of methane from the environment. C. convert methane to carbohydrate for use by the host. D. All of the choices are correct.
Errors made during replication are primarily corrected by (base-excision/mismatch/nucleotide-excision) repair
What will be an ideal response?
One weakness of the Articles of Confederation was the inability of the central government to
A: establish a postal system B: collect adequate taxes from the states C: control western lands D: admit new states to the Union