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| 1. |
Assertion: In electron transport chain, there is a gain of energy at each step. Reason : At each step of EtC, there are electron carriers. |
| Answer» The passage of electrons from one enzyme or cytochrome to the need is a downhill journey with a loss of energy at each step. At each step the electron camers include flavins, iron sulphur complexes, quinones and cyclohromes. | |