answers: oxidative phosphorylation
context: third phosphate group is added to form ATP (adenosine triphosphate), by substrate-level phosphorylation, NADH and FADH The negative ΔG indicates that the reaction can occur spontaneously. The potential of NADH and FADH is converted to more ATP through an electron transport chain with oxygen as the "terminal electron acceptor". Most of the ATP produced by aerobic cellular respiration is made by oxidative phosphorylation. This works by the energy released in the consumption of pyruvate being used to create a chemiosmotic potential by pumping protons across a membrane. This potential is then used to drive ATP synthase and produce ATP from </s> ATP synthase ATP synthase is an enzyme that creates the energy storage molecule adenosine triphosphate (ATP). ATP is the most commonly used "energy currency" of cells for all organisms. It is formed from adenosine diphosphate (ADP) and inorganic phosphate (P). The overall reaction catalyzed by ATP synthase is: The formation of ATP from ADP and P is energetically unfavorable and would normally proceed in the reverse direction. In order to drive this reaction forward, ATP synthase couples ATP synthesis during cellular respiration to an electrochemical gradient created by the difference in proton (H) concentration across the mitochondrial membrane in eukaryotes </s> type, and more specifically, with a tissue’s primary metabolic substrate. In pancreatic beta cells, ATP is the primary metabolic source, and the ATP/ADP ratio determines K channel activity. Under resting conditions, the weakly inwardly rectifying K channels in pancreatic beta cells are spontaneously active, allowing potassium ions to flow out of the cell and maintaining a negative resting membrane potential (slightly more positive than the K reversal potential). In the presence of higher glucose metabolism, and consequently increased relative levels of ATP, the K channels close, causing the membrane potential of the cell to depolarize, activating voltage-gated calcium channels, and
question: where does most of the atp produced in cellular respiration come from