QQuestionBiochemistry
QuestionBiochemistry
"Complete the overall reaction catalyzed by the pyruvate dehydrogenase complex. Move the compounds and cofactors to the correct answer blanks. Two terms will not be used.
CoA
acetyl-CoA
NADH
NAD^+
ADP
ATP
pyruvate"
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Answer
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Step 1:I'll solve this problem step by step, focusing on the pyruvate dehydrogenase complex reaction.
Step 2:: Understand the Pyruvate Dehydrogenase Complex Reaction
The pyruvate dehydrogenase complex catalyzes the conversion of pyruvate to acetyl-CoA, which is a critical step in cellular respiration, linking glycolysis to the citric acid cycle.
Step 3:: Identify the Key Reactants and Products
- $$CO_{2}
- Reactants: - Products:
Step 4:: Analyze the Cofactor Changes
- $$NAD^{+}$$ is reduced to $$NADH
- CoA becomes part of acetyl-CoA
Step 5:: Complete the Reaction
- $$NADH
The correct terms to complete the reaction are:
Final Answer
The completed reaction involves: - Reactants: pyruvate + NAD^{+} + CoA - Products: acetyl-CoA + NADH + CO_{2} Unused terms: ADP, ATP
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