Write the combustion reaction of glucose and the overall reaction for the metabo
ID: 190858 • Letter: W
Question
Write the combustion reaction of glucose and the overall reaction for the metabolism of glucose in aerobic cells. (1) What conclusion do you draw by comparing the two reaction equations? (2) If the G°, for ATP synthesis is 30.5 mole under standardconditions, what is the 8 x 10-3 M, [ADP]-6 x 10-4 M G for ATP synthesis in aerobic cells where [ATP] and [Pi] = 8 x 10-3 M, at 25 °C and pH= 7? ADP + Pi ATP + H2O (3) How many moles of ATP are synthesized by the oxidation of one mole of glucose in aerobic cells? How much energy is used by the synthesis of these ATP molecules in aerobic cells? Where does the energy come from? (4) Assume the Gc for the combustion reaction of glucose is close to AGC(galactose), estimate the efficiency of energy conservation of glucose in aerobic cells.Explanation / Answer
1. The combustion reaction of glucose is
C6H12O6 + O2 ---------> CO2 + H2O
The balanced reaction can be written as
C6H12O6 + 6O2 ---------> 6CO2 + 6H2O (Glucose + Oxygen ----> Carbondioxide + Water)
The overall reaction is as follows:
Glucose ------>Pyruvate -----> Acetyl CoA------> kerbs Cycle ------> ETC(Electron Transport Chain)
2)
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