Which one of the equation pairs illustrates a favorable energetic coupling in a cell? (i.e. One reaction releases sufficient energy to drive the other to completion). Select ALL that apply. Equation 1: ATP + H2O → ADP + Pi AG1 = -7 kcal/mol Equation 2: phosphoenolpyruvate + H2O → pyruvate + Pi AG2 = -14.8 kcal/mol Equation 3: glucose + Pi — glucose-6-phosphate + H2O AG3 = +3.3 kcal/mol ATP + H2O Equation 4: ADP + Pi AG3 = +7 kcal/mol a. equations 1 & 2 b. equations 2 & 3 c. equations 3&4 d. equations 1 & 4 e. equations 1 & 3