If the glucose molecule was labeled with 14C at the C-3, which carbon atom in pyruvate would you expect to find labeled? Select the structure of pyruvate showing its appropriate structure at pH 7.4. The structure should have a carbon highlighted in green and bold that corresponds to the original 14C labeled C-3 of glucose. H3C-C-C-OH H3C-C-C -O H3C-C-c-OH H3C C-C- H3C-C-C- H3C-C HO-

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A:

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