text: *[http://www.wiley.com/legacy/college/boyer/0470003790/animations/electron_transport/electron_transport.htm Animated diagrams illustrating oxidative phosphorylation] Wiley and Co Concepts in Biochemistry
  *[http://www.life.uiuc.edu/crofts/bioph354/ On-line biophysics lectures] Antony Crofts, University of Illinois at Urbana–Champaign
  *[https://www.youtube.com/watch?v=PjdPTY1wHdQ ATP Synthase] Graham Johnson