Decribe the breakdown of glucose by various pathways through linear diagram

Dear student,
Please find below the answer:

Glycolysis is the pathway that involves the breakdown of glucose.
Respiration of glucose occurs in two ways i.e aerobic breakdown (in presence of oxygen) or anaerobic breakdown (in absence of oxygen).

Aerobic breakdown involves the breakdown of glucose into pyruvic acid through glycolysis and then a breakdown of pyruvic acid into carbon dioxide and water with the release of energy through Kreb's cycle.

Anaerobic breakdown involves the breakdown of glucose into pyruvic acid through glycolysis and then the breakdown of pyruvic acid into carbon dioxide and alcohol in alcoholic fermentation, e.g, Yeast. It may also break down into carbon dioxide and lactic acid during lactic acid fermentation with the release of energy. E.g, Lactobacillus or muscle cells of humans.

The diagram is as follows:



Hope this clears your doubt.
Regards.
 

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