Punjab Medical Punjab - MET Solved Paper-2009

  • question_answer
    Which one of the following h the terminal electron acceptor?

    A)  Molecular\[C{{O}_{2}}\]             

    B)  Molecular\[{{O}_{2}}\]

    C)  Molecular\[{{H}_{2}}\]                

    D) \[NADP{{H}_{2}}\]

    Correct Answer: B

    Solution :

    In electron transport chain, cytochrome\[{{a}_{3}}\]is an electron carrier, which contains copper with iron. It picks up electrons and through copper, it hands over the electrons to oxygen. Therefore, oxygen accepts the terminal electrons.


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