All of the following are characteristic of Pseudomonas aeruginosa EXCEPT
A) gram-positive cell wall.
B) resistance to many types of disinfectants and antibiotics.
C) growth in moist environments.
D) production of pyocyanin.
E) rod-shaped.
A
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Indicate the processes below that represent the basic types of chemoorganotrophic metabolism.
A. Anaerobic respiration B. Oxidation-reduction C. Fermentation D. Photosynthesis E. Aerobic respiration
Which structure is derived from an ancestral air-breathing lung in ray-finned fishes and is used to increase buoyancy?
a. swim bladder b. spiral valve c. operculum d. atrium e. lateral-line system
The two authors identify different groups in this GE debate. Based on the essays, which of the following statements correctly describes one author's label of the pro-GE groups versus the anti-GE groups?
a. Vasil: the practical pro-GE biotech industry vs. the small, political anti-GE lobby b. Vasil: the pro-GE scientists vs. the anti-GE scientists c. Mittal: the well-financed pro-GE biotech industry vs. rich anti-GE farmers d. Mittal: the global pro-GE political infrastructure vs. the anti-GE organic farming lobby
Nonfermenting gram-negative rods isolated from respiratory samples from cystic fibrosis patients are difficult to identify using commercial systems. Thus, other testing platforms are being used to aid in accurate species identification. Which of the following systems has the advantage of a large curated database of proteomic profiles representative of many microorganisms and can give definitive
organism identification within minutes? a. Cellular fatty acid analysis b. MALDI-TOF mass spectrometry c. Multilocus sequence typing d. Ribotyping of 16S rRNA gene