Classify the reaction that occurs at step 1 in the reaction schematic of the pyruvate dehydrogenase reaction below.
A) isomerization
B) addition
C) oxidation reduction
D) decarboxylation

Question

Classify the reaction that occurs at step 1 in the reaction schematic of the pyruvate dehydrogenase reaction below. 
A) isomerization 
B) addition 
C) oxidation reduction 
D) decarboxylation

Quizplus · Accepted Answer

The reaction at step 1 in the pyruvate dehydrogenase reaction is a decarboxylation reaction, where a carboxyl group (-COOH) is removed from pyruvate to form an acetyl group (-COCH3) and carbon dioxide (CO2).

Classify the Reaction That Occurs at Step 1 in the Reaction