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Respiration in Plants

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11. How many ATP molecules are formed in anaerobic repiration like fermentaion?

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12. How many gross ATP molecules are formed during aerobic respiration in prokaryotes or eukaryotes ?

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13. Cytochrome c oxidase forms which complex in the electron transport chain?

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14. What is site for Krebs’ cycle in bacteria?

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15. What is electron tranport system ?

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16. What is the key product of glycolysis ?

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17. Why the cut apple becomes dark ?

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18. What is ubiquinone ?

Ubiquinone, is an electron acceptor in the Electron transport chain. It is found in the inner membrane of mitochondria. It recieves electron from NAD dehydrogenase (complex I) and also from the FADH2 (complex II). The reduced ubiquinone (ubiquinol) is oxidised by transferring of electrons to cytochrome c via cytochrome bc1 complex (complex III).

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19. What is proton gradient ?

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20. Why Krebs Cycle is called amphibolic?

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