RAJASTHAN PMT Rajasthan - PMT Solved Paper-2003

  • question_answer
    Last electron receptor in respiration is

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

    B)  \[{{O}_{2}}\]

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

    D)         NADH

    Correct Answer: D

    Solution :

    At the end of the electron transport chain, 2 electrons, 2 protons \[\left( 2{{H}^{+}}\,\text{and}\,\frac{1}{2}{{O}_{2}} \right)\] (1 atom of oxygen) combine to form one molecule of water.


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