Cat scratch disease is caused by
A. Bartonella bacilliformis.
B. Bartonella henselae.
C. Bartonella quintana.
D. Bartonella peliosis.
E. Bartonella angiomatosis.
Answer: B
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Which statement is TRUE about the fluid from the hydrothermal vents?
A) The fluid contains large amounts of oxidized inorganic materials. B) The fluid contains large amounts of reduced inorganic materials. C) The fluid contains large amounts of organic material. D) The fluid usually contains about equal amounts of organic and inorganic material.
Which of the following statements is false?
A. Excretion of urea requires less water than excretion of uric acid. B. Urea is produced in the liver and eliminated in the kidneys. C. Uric acid can be stored at a higher concentration in tissues than urea. D. Ammonia is lethal to cells at high concentrations. E. Excretion of ammonia requires high volumes of water in the surrounding environment.
If a coelom had been present in a species but was then lost over time, which function would you hypothesize could be most affected?
A. nervous. B. muscular. C. reproductive. D. digestive.
Hydrogen sulfide is transformed into sulfate or elemental sulfur by
A) protozoans. B) bacteria. C) fungi. D) algae.