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  • Solve! The energy - releasing metabolic process in which substrate is oxidised without an external electron acceptor is called:

The energy - releasing metabolic process in which substrate is oxidised without an external electron acceptor is called:

  • Option 1)

    Glycolysis

  • Option 2)

    Fermentation

  • Option 3)

    Aerobic respiration

  • Option 4)

    Photorespiration

 

Answers (1)

best_answer

 

 

Lactic acid fermentation -

The incomplete oxidation of pyruvate (from glucose) under anaerobic conditions forming lactic acid by Lactobacillus lactis (bacteria)

- wherein

 

Enzyme used is lactic acid dehydrogenase

 

In fermentation, the incomplete oxidation of glucose is achieved under anaerobic conditions by a set of reactions, where pyruvic acid is converted to CO2 and ethanol. The enzyme pyruvic acid, decarboxylase and alcohol dehydrogenase catalyse these reactions. In animals cells also, like muscles during exercise, where oxygen is inadequate for cellular respiration, pyruvic acid is reduced to lactic acid by lactate dehydrogenase. The reducing agent is NADH + H+.


Option 1)

Glycolysis

Incorrect Option

Option 2)

Fermentation

Correct Option

Option 3)

Aerobic respiration

Incorrect Option

Option 4)

Photorespiration

Incorrect Option

Posted by

Aadil

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