Biochemistry Quiz
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CHEMICAL FOUNDATIONS & WATER
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A metabolic reaction, X → Y, is endergonic with an actual free energy change (ΔG) of +21 kJ/mol under cellular conditions. To proceed, this reaction is coupled to the hydrolysis of ATP. If the actual ΔG for ATP hydrolysis to ADP and Pi in the cell is -54 kJ/mol, what is the net ΔG for the coupled reaction and its thermodynamic implication?
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