P/O Ratios and Their Determination
P/O ratio for the conversion of citric acid to malate in the mitochondria.
Reaction Energy Product
factor
ATP Equivalents (@2.5 ATP/NADH) Oxygens consumed Isocitrate DH NADH
1
2.5 1 2-oxoglutarate DH Complex NADH
1
2.5 1 Succinyl-CoA Synthetase GTP
1
1 0 Succinate DH FADH2
1
1.5 1 TOTAL=
7.5 3 P/O = ATP/O = 7.5/3 = 2.5
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Palmitic acid
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Stearic acid
Oleic acid

Glycerophospholipids

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Typical Membrane Lipid Types
© R. A. Paselk 2010; Last modified 15 April 2013