CELL RESPIRATION
GLYCOLYSIS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Inner mitochondrial membrane
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Cytoplasm
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Mitochondrial matrix
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Outer mitochondrial matrix
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Detailed explanation-1: -The link reaction occurs in the mitochondrial matrix. It dehydrogenates and decarboxylates the three-carbon pyruvate to produce the two-carbon acetyl CoA that can enter the Krebs Cycle.
Detailed explanation-2: -Aerobic respiration commences with the oxidation of pyruvic acid. This is called link reaction or gateway step as it links glycolysis in cytoplasm and Krebs cycle in mitochondrial matrix. Here pyruvate is oxidised to acetyl CoA which enters the Krebs cycle for further oxidation.
Detailed explanation-3: -The link reaction takes place in the mitochondrial matrix. The link reaction takes place in the mitochondrial matrix and converts pyruvate into a molecule called acetyl coenzyme A (acetyl CoA). This stage does not produce any energy in the form of ATP but does produce reduced NAD and acetyl CoA.
Detailed explanation-4: -Aerobic respiration commences with the oxidation of pyruvic acid. This is called link reaction or gateway step as it links glycolysis in cytoplasm and Krebs cycle in mitochondrial matrix. Here pyruvate is oxidised to acetyl CoA which enters the Krebs cycle for further oxidation.