Final answer:
The high-energy electrons of activated carriers contribute to forming the high-energy phosphate bonds of ATP through oxidative phosphorylation.
Step-by-step explanation:
The high-energy electrons of activated carriers contribute to forming the high-energy phosphate bonds of ATP through a process called oxidative phosphorylation. During oxidative phosphorylation, the electrons from activated carriers, such as NADH and FADH2, are passed along a series of electron transport chains. As the electrons move through the chains, their energy is gradually released and used to pump protons (H+) across a membrane. The flow of protons back across the membrane through an enzyme called ATP synthase drives the synthesis of ATP, allowing the high-energy phosphate bonds to be formed.