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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