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CMC Medical CMC-Medical VELLORE Solved Paper-2010

  • question_answer
    In oxidative phorophosphorylation, the last steps are as follows \[Q\to C\to a{{a}_{3}}\to {{O}_{2}}\]

    A)  \[Q\to C\] is \[{{H}^{+}}\]absorbing site

    B)  \[a{{a}_{3}}\to {{O}_{2}},\]\[{{H}^{+}}\]yielding site

    C)  \[Q\to C\] is \[{{H}^{+}}\]yielding site and \[a{{a}_{3}}\to {{O}_{2}}\] is \[{{H}^{+}}\]absorbing site

    D)  no \[{{H}^{+}}\]is absorbed or released

    E)  None of the above

    Correct Answer: C

    Solution :

                    In oxidative photophosphorylation, electros transfer through various carrier molecule Splitting of \[{{H}_{2}}O\] molecule releases \[{{O}_{2}}\]as well as \[{{H}^{+}},\text{ }{{H}^{+}}\]are finally accepted by\[NAD{{P}^{+}}\].


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