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Outline the theoretical maximum yield of ATP per molecule of glucose, during aerobic respiration.

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Introduction

Outline the theoretical maximum yield of ATP per molecule of glucose, during aerobic respiration. Aerobic respiration is the process in which glucose is converted into CO2 and H2O in the presence of oxygen, releasing large amounts of ATP(energy). C6H12O6 + 6 O2 � 6 CO2 + 6 H2O The energy released in respiration is then used to make Adenosine Triphosphate (ATP) to store this energy. The energy stored in ATP can be used to carry out processes within the body such as passing ions and other particles through plasma membranes-Active Transport. ...read more.

Middle

The reactions that take place come under three main stages; glycolysis, the Krebs cycle and oxidative phosphorylation. The key product of cellular respiration is ATP. This is mainly because of the phosphoanhydride bonds (that link the phosphate groups together) as when they are hydrolysed, produce a large yield of energy. ATP acts as an immediate source of energy in living cells and so therefore is produced at a high rate as it gets used up very quickly. ...read more.

Conclusion

The main reason why this process takes place is to prevent glucose from leaving the cell as the membrane is impermeable to sugar phosphates. Another reason is that phosphorylation makes glucose more reactive, so it is more easily converted into phosphorylated three-carbon compounds. The products of glycolysis link to the next reaction- the Kreb cycle. In aerobic respiration, the pyruvate passes into the matrix of a mitochondrion which is where the reaction takes place. The link reaction occurs, in which pyruvate is converted into acetate and combined with a compound called coenzyme A, to form acetyl coenzyme A. pyruvate + NAD+ + CoA --> acetyl CoA + NADH + CO2 ...read more.

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