Question

5.The following reaction has a ΔG°--61.9 kJ/mol at 25°C, Phosphoenolpyruvate (PEP) +H2O Pyruvate + Inorganic Phosphate (Pi) (a) Is the reaction favorable under standard biochemical conditions? Explain your answer. (b) What is the equilibrium constant (K) of this reaction at 25°C? In cells the direct hydrolysis of PEP rarely occurs. Rather, the hydrolysis of PEP and the reverse hydrolysis of ATP are coupled (c) w rite out the coupled reaction and determine its ΔG at 25°C The hydrolysis of ATP has a ΔG of -30.5 kJ/mol. (d) At cellular concentrations of reactants and products and 25°C, the ΔG, is-15 kJ/mol. If ADP and ATP are at 0.6 mM and 0.4 mM, what is the ratio of Pyruvate to PEP? (e) If 10-fold more PEP is added, what will be the resulting change in ΔG?
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Answer #1

As per Chegg policy answer of the first four questions are as follows,

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5.The following reaction has a ΔG°'--61.9 kJ/mol at 25°C, Phosphoenolpyruvate (PEP) +H2O Pyruvate + Inorganic Phosphate...
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