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The mechanism of ATP synthesis in mitochondria and chloroplasts are almost the same, but there is a big difference: the f1 particle in mitochondria uses 2 H+ ions to synthesize one ATP, whereas in chloroplasts the f1 particle uses 3 H+ ions for the same. What make the difference?

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  • $\begingroup$ Any reference for f1 particle uses 2 protons? $\endgroup$ – JM97 Mar 12 '17 at 13:43
  • $\begingroup$ It was mentioned in my text book, local publication. $\endgroup$ – sreekara Mar 12 '17 at 13:52
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    $\begingroup$ see this biology.stackexchange.com/questions/3186/… $\endgroup$ – JM97 Mar 12 '17 at 13:58
  • $\begingroup$ Does this mean that the ATP synthase works same in both mitochondria and chloroplast. But what I have read is that 1 NADPH in mitochondria is capable of sending 6 H+ ions in to the space between the two membranes of mitochondrial. And it obviously produces 3ATP , so 2H+ for one ATP. $\endgroup$ – sreekara Mar 12 '17 at 14:09
  • $\begingroup$ 1 NADPH does not produce exactly 3 ATP $\endgroup$ – JM97 Mar 12 '17 at 14:16

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