When studying fluid and electrolyte loss during exercise, Robert Cade found that human sweat has sodium and chloride concentrations that are ______ those found in the blood.
A. higher than
B. lower than
C. equal to
D. extremely variable from person to person relative to
E. There is no sodium or chloride in sweat.
B. lower than
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Only a small percentage of the energy produced by the sun is actually used by living organisms. What percentage of energy produced by the sun is captured by photosynthetic organisms
The mRNA is translated in the 3' to 5' direction in
A) prokaryotes. B) eukaryotes. C) archaea. D) all of the above E) none of the above
The most important applications of this technology involves the insertion of genes the make a crop plant
A. resistant to herbicides. B. generate more cells. C. produce medicines. D. produce alcohol for fuel.
Which of the following antimicrobial agents is the most toxic to humans?
A) 70% alcohol B) ethylene oxide C) quaternary ammonium compounds D) chloramines E) iodophors