MCQ on Link Reaction (Pyruvate Decarboxylation)




The link reaction, or pyruvate decarboxylation, is the process where pyruvate from glycolysis is converted into acetyl-CoA in the mitochondria. Pyruvate loses a carbon dioxide molecule, and NAD+ is reduced to NADH. This reaction connects glycolysis to the Krebs cycle. This is an MCQ on Link Reaction of Respiration or Pyruvate Decarboxylation Reaction in the cells.

1. 
Where does the link reaction take place in eukaryotic cells?

2. 
Which molecule is the substrate for the link reaction?

3. 
What is the primary enzyme complex involved in the link reaction?

4. 
What are the end products of the link reaction?

5. 
Which coenzyme is reduced during the link reaction?

6. 
How many molecules of CO2 are produced per molecule of pyruvate during the link reaction?

7. 
What happens to the acetyl group produced in the link reaction?

8. 
How many NADH molecules are produced from one molecule of glucose during the link reaction?

9. 
Which of the following is NOT involved in the link reaction?

10. 
Why is the link reaction important for cellular respiration?



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MCQ on Link Reaction of Respiration

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