Propose that all three carbon atoms in glycerol is labeled with 14C. The labeled glycerol is allowed to undergo metabolism in the genetically modified liver cell, in which the triose phosphate isomerase is no longer functioning. Which of the following are most likely to be true? a. All three carbon atoms in pyruvate are radioisotope labeled in the genetically modified liver cell b. All six carbon atoms in glucose are radioisotope labeled in the genetically modified liver cell c. Both d. Neither

Biochemistry
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ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
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Chapter1: Biochemistry: An Evolving Science
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Propose that all three carbon atoms in glycerol is labeled with 14C. The labeled glycerol is allowed to undergo metabolism in the genetically modified liver cell, in which the triose phosphate isomerase is no longer functioning. Which of the following are most likely to be true?
a. All three carbon atoms in pyruvate are radioisotope labeled in the genetically modified liver cell
b. All six carbon atoms in glucose are radioisotope labeled in the genetically modified liver cell
c. Both
d. Neither 

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