Prilosec and Nexium both contain the same active ingredient. Nexium contains a single enantiomer but Prilosec is a racemic mixture. Nexium is a much more expensive drug. Which of the following might be a reason for this price differential?
A) For the same effective dose it is necessary to use twice as much Nexium as compared with Prilosec.
B) For the same effective does it is necessary to use twice as much Prilosec as compared with Nexium.
C) The synthesis of a single enantiomer of a drug is more expensive than the synthesis of the racemic mixture.
D) There is no inherent basis for the price differential; the difference is a result of marketing strategies.
C
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What is the approximate diameter of the rim of the Okmok Caldera?
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If you see a tornado or hear a tornado warning, you should take immediate action. Which of the following actions would be a bad choice?
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All of the following are results of U.S. airline deregulation EXCEPT
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In which of the following time periods were mammals the dominant type of life?
A. Paleozoic B. Cenozoic C. Mesozoic D. Precambrian