Question

Respiration.the energy producing system .explain

Answer 1

Aerobic respiration occurs in the presence of oxygen producing a lot ofenergy, carbon dioxide and water. Anaerobic respiration and fermentation occur in the absence of oxygen producing less amount ofenergy. ... This energy is stored in the form of phosphate bonds. In all the organisms glucose is oxidized in two stages.
During cellular respiration, glucose is broken down in the presence of oxygen to produce carbon dioxide and water. Energy released during the reaction is captured by the energy-carrying molecule ATP (adenosine triphosphate).

Answer 2

During respiration, energy is produced when the glucose or fatty acids are oxidised in the cells. As this process occurs in the cells, this is called cellular respiration. It can be in the presence of oxygen that is aerobicrespiration or in the absence of oxygen that is anaerobic respiration.

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