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Which nuclide is a radioisotope used in the study of organic reaction mechanisms?
A. Carbon-12.
B. Carbon-14.
C. Uranium-235.
D. Uranium-238.
Carbon is found in all organic compounds so eliminate answers C and D. Which isotope of carbon is radioactive? Carbon-14. Carbon-14 is also used to date fossils.
 
 
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HotMD
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Yes, that is my dog and she can fly
 
 
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Taken: 138 times
Added: 6/29/2008
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JPlantesMD
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While these questions do not fit the MCAT format (they have no related reading passages) they cover concepts one should understand in order to do well in the biological sciences portion of the MCAT.
 
 
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