The relationship that exist between ETC as well as oxygen is that in the ETC, terminal electron acceptor is required and Oxygen serve this purpose.
- The electron transport chain (ETC) can be regarded as chain involving series of protein complexes which carry out electron transfer from the donors to electron acceptors and thus referred to as redox reactions.
- Redox reaction involve both the reduction and oxidation which takes place simultaneously.
- In ETC, the oxygen is the electron acceptor, and in the body system, in case there is shortage of oxygen ETC usually serve as a back up.
Therefore, electron transport chain involves transfer of electron between that donor and the acceptor.
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