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Total no. Of molecules of ATP produced through ETS only from one molecule of 3 phosphoglycerate in aerobic respiration?

Total no. Of molecules of ATP produced through ETS only from one molecule of 3 phosphoglycerate in aerobic respiration?

Grade:12

2 Answers

Adarsh
768 Points
3 years ago
5 molecules of ATP is produced through ETS from one molecule 0f 3 phosphoglycerate in aerobic respiration. 
Thanks and Regards
Adarsh
Simran Vinaik
askIITians Faculty 1231 Points
3 years ago
If we talk about Total no of ATP prouced only by chemiosmosis then the number will be 14
1. In glycolysis after 3-phosphoglycerate step, as you can see ATP is produced directly from substrate .So through chemiosmosis no ATP is produced in glycolysis after 3- phosphogycerate is oxidised.554-1251_glycolysis.jpg
In Pyruvate dehydrogenase complex when Pyruvate converts to Acetyl CoA, 1 NADH molecule is produced for one molecule of pyruvate. One NADH = 3 ATP

In krebs cycle 1 acetyl CoA releases 3 NADH, 1 FADH2 which will enter ETS. One FADH2 = 2 ATP. this makes up 11 ATP (3*3+ 1*2)

Total ATp produced by ETC from one molecule of 3-Phosphoglycerate is =11+3 =14 ATP

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