Which substance is removed from the blood during tubular secretion?
A. aldosterone
B. Na+
C. water
D. H+
E. Cl-
Answer: D
Biology & Microbiology
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Which of the following types of animal virus requires RNA-dependent RNA transcriptase to be replicated?
A) +ssRNA viruses B) ssDNA viruses C) -ssRNA viruses D) retroviruses E) dsDNA viruses
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Which of the following is the LEAST common reservoir for the rabies virus in the United States?
a. chicken b. raccoon c. skunk d. fox
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What category of organisms acquire both energy and carbon from complex organic compounds?
A. Chemoheterotrophs B. Chemoautotrophs C. Photoautotrophs D. Photoheterotrophs
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