The largest meat recall in U.S. history was prompted by the discovery of contamination by
A. Escherichia coli.
B. Listeria monocytogenes.
C. Pseudomonas aeruginosa.
D. Clostridium botulinum.
Answer: B
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If you experimentally reduce the concentration of K+ in the extracellular fluid surrounding hair cells in the inner ear, the result would be like which of the following?
A) decreasing the volume of sound reaching the hair cells B) increasing the volume of sound reaching the hair cells C) decreasing the frequency of sound reaching the hair cells D) increasing the frequency of sound reaching the hair cells
________ technology can be used to simultaneously monitor the level of expression of every gene in a cell.
What will be an ideal response?
What would you expect the optimum pH to be for the salivary enzyme amylase, which digests starches into sugars?
What will be an ideal response?
Which combination of nonfermenting gram-negative bacilli are oxidase positive, but do not grow on MacConkey agar within 24 to 48 hours
a. B. cepacia and Pseudomonas stutzeri b. Brevundimonas dimunuta and Pseudo-monas veronii c. P. aeruginosa and R. insidiosa d. B. vesicularis and Acidovorax facilis