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  4. In the electron transport chain, in terminal oxidation, the cytochrome, which donates electrons to O2 is

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Q. In the electron transport chain, in terminal oxidation, the cytochrome, which donates electrons to $ {{O}_{2}} $ is

MGIMS WardhaMGIMS Wardha 2009

Solution:

The cytochrome $ \text{-}{{\text{a}}_{\text{3}}} $ is an electron carrier which contains copper with iron. It picks up electrons and through copper, it hands over electrons to oxygen. Oxygen accepts electrons finally.