ATP Production during Aerobic Respiration by Oxidative Phosphorylation involving an Electron Transport System and Chemiosmosis

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NADH and FADH2 carry protons (H+) and electrons (e-) to the electron transport chain located in the membrane. The energy from the transfer of electrons along the chain transports protons across the membrane and creates an electrochemical gradient or proton motive force. At the end of the electron transport system, protons, electrons, and oxygen molecules combine to form water. As the accumulating protons follow the electrochemical gradient back across the membrane through an ATP synthase complex, the movement of the protons (proton motive force) provides energy for synthesizing ATP from ADP and phosphate.
Flash Animation of ATP Production during Aerobic Respiration by Oxidative Phosphorylation
involving an Electron Transport System and Chemiosmosi
.jpg by Gary E. Kaiser, Ph.D.
Professor of Microbiology, The Community College of Baltimore County, Catonsville Campus
This work is licensed under a Creative Commons Attribution 4.0 International License.
Based on a work at http://faculty.ccbcmd.edu/~gkaiser/index.html.

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Last updated: Feb., 2018
Please send comments and inquiries to Dr. Gary Kaiser