The oxidation of glucose to CO, and water is a major source of energy in aerobic organisms. It is a reaction favored mainly by a large negative en- thalpy change. CH,O6(s) + 60:(g) - 6CO:(g) + 6H,0(1) AH = -2816 kJ/mol AS = +181 J/mol · K (a) At 37 °C, what is the value for AG? (b) In the overall reaction of aerobic metabolism of glucose, 32 moles of ATP are produced from ADP for every mole of glucose oxidized. Calculate the standard state free energy change for the overall reaction when glu- cose oxidation is coupled to the formation of ATP at 37 °C. (c) What is the efficiency of the process in terms of the percentage of the available free energy change captured in ATP?

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The oxidation of glucose to CO, and water is a major source of energy in
aerobic organisms. It is a reaction favored mainly by a large negative en-
thalpy change.
CH,O6(s) + 60:(g)
- 6CO:(g) + 6H,0(1)
AH = -2816 kJ/mol
AS = +181 J/mol · K
(a) At 37 °C, what is the value for AG?
(b) In the overall reaction of aerobic metabolism of glucose, 32 moles of ATP
are produced from ADP for every mole of glucose oxidized. Calculate
the standard state free energy change for the overall reaction when glu-
cose oxidation is coupled to the formation of ATP at 37 °C.
(c) What is the efficiency of the process in terms of the percentage of the
available free energy change captured in ATP?
Transcribed Image Text:The oxidation of glucose to CO, and water is a major source of energy in aerobic organisms. It is a reaction favored mainly by a large negative en- thalpy change. CH,O6(s) + 60:(g) - 6CO:(g) + 6H,0(1) AH = -2816 kJ/mol AS = +181 J/mol · K (a) At 37 °C, what is the value for AG? (b) In the overall reaction of aerobic metabolism of glucose, 32 moles of ATP are produced from ADP for every mole of glucose oxidized. Calculate the standard state free energy change for the overall reaction when glu- cose oxidation is coupled to the formation of ATP at 37 °C. (c) What is the efficiency of the process in terms of the percentage of the available free energy change captured in ATP?
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