... potential energy. the first step of respiration is glycolysis.the process converts glucose in to puruvic acid which needs 2 molecules of atp to iniate the reaction and consequently produces 4 molecules of atp. Thus produces a net gain of 2 molecules of atp. Pyruvic acid is converted furthur to acetylcoenzyme A, which is used to produce atp in the krebs cycle. Every turn of the citrus cycle 1 molecule of atp is produced. furthus more a lot atp is produced as electrons move across a electron tranfer chain in the final stage of respiration. chemical potential energy is transfered to Atp, as atp acts as more usefull immediate source of energy. Atp can be broken down in one single reaction to to produce inorganic phosphate and adenosine di phosphate. therefore it can provide energy instantanouesly. Unlike glucose which takes which takes several reactions to produce carbon dioxide and water. Another ...

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