Burdge/Overby, Chemistry: Atoms First, 2e Ch14 | Page 26

L e a r n i n g Outco m es ATP Proteins CO2 + H2O ADP Amino acids Free energy Glucose 595 Figure 14.7 Schematic representation of ATP synthesis and coupled reactions in living systems. The conversion of glucose to carbon dioxide and water during metabolism releases free energy. The released free energy is used to convert ADP to ATP. The ATP molecules are then used as an energy source to drive unfavorable reactio