a) As stated in question 5a, glucose (C6H12O6(s)) is a source of cellular energy. Calculate the standard free energy for the
Given ΔG°C6H12O6(s) = -911kJ/mol; ΔG°O2(g) = 0kJ/mol; ΔG°CO2 = -394kJ/mol; ΔG°H2O(l) = -237kJ/mol
C6H12O6(s) + 6O2(g) ➝ 6CO2(g) + 6H2O(l)
b) Cells couple the hydrolysis of adenosine triphosphate (ATP) into adenosine diphosphate (ADP) and
inorganic phosphate (PO43–) to drive
ATP(aq) + H2O(l) ➝ ADP(aq) + PO43–(aq)
Calculate K for this reaction if ΔG° = –30.5 kJ/mole.
c) If all of the energy from glucose metabolism went into ATP synthesis from ADP and inorganic
phosphate, how many molecules of ATP could be generated from each molecule of glucose?
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