qz chpt 5partI-1 - A mixture of S aureus and the enteric...

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A mixture of S. aureus and the enteric bacteria E. coli was placed onto the skin of the fingertips of a volunteer. The volunteer immediately touched one of their inoculated fingertips to nutrient agar plate #1 and then waited 30 minutes and touched a different inoculated finger to nutrient agar plate #2. After incubating the plates overnight, what pattern of growth would you expect to see on the plates? Both E. coli and S. aureus grew on both plates. Plate #1 grew both, while plate #2 grew only E. coli . Plate #1 grew both, while plate #2 grew only S. aureus. Plate #1 grew only E. coli, while plate #2 grew both. Plate #1 grew only S. aureus, while plate #2 grew both. Where would you be LEAST likely to find significant levels of defensins? The bladder The intestine The lung The skin The liver Which of the following would you predict to result from a mutation in TLR-4 that prevents binding to LPS? Tighter binding between bacteria and macrophages Increased susceptibility to infection with gram-positive bacteria
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