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Pyruvic acid, the key product of glycolysis can have many metabolic fates. Under aerobic condition it forms

Option: 1

Lactic acid

 


Option: 2

CO2 + H2O

 


Option: 3

Acetyl CoA + CO2

 


Option: 4

Ethanol + CO2


Answers (1)

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Fate of pyruvate after glycolysis -

Pyruvate enters mitochondria when there is an availability of oxygen, where its oxidation is complete.

It is carried out in two phases.

1. Oxidative decarboxylation

2. Krebs cycle.

During oxidative decarboxylation, pyruvate is converted to acetyl co-A and Carbon dioxide is released. Hence the correct option is c. 

 

Posted by

Irshad Anwar

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