67. Which statements are TRUE about the following steps of an ATP cycle? (1) ATP hydrolysis to ADP + inorganic phosphate (Pi) yields energy (2) the Pi released from ATP hydrolysis serves as an additional energy source (3) Exergonic and catabolic pathways (4) Endergonic and anabolic pathways (A) (1) and (2) (B) (3) and (4) (C) (1), (3), and (4) (D) (1), (2), and (3)