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Which Carbon Atom(s)of Pyruvate Is(are)first Converted to Carbon Dioxide by Pyruvate

Question 8

Multiple Choice

Which carbon atom(s) of pyruvate is(are) first converted to carbon dioxide by pyruvate dehydrogenase complex?

A) The carboxylate carbon (#1) .
B) The carbonyl carbon (#2) .
C) The methyl carbon (#3) .
D) Both carbons #1 and #3 in equal amounts.

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