Logo of nihpaAbout Author manuscriptsSubmit a manuscriptHHS Public Access; Author Manuscript; Accepted for publication in peer reviewed journal;
PMC full text:
Exp Gerontol. Author manuscript; available in PMC 2011 Mar 1.
Published in final edited form as:
Exp Gerontol. 2010 Mar; 45(3): 173–179.
Published online 2009 Nov 27. doi:  10.1016/j.exger.2009.11.007

Fig 1

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Biological redox energy scale. The highly reduced energy levels of NADPH, GSH and NADH are used to power catabolism with molecular oxygen as the terminal electron acceptor. The step-wise electron transport in mitochondria is used to generate ATP, a lower denomination of energy currency.

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