NEET Biology Respiration In Plants Question Bank Krebs Cycle and ETS

  • question_answer
    The correct sequence of electron acceptor in ATP synthesis is [CBSE PMT 1997]

    A) \[Cytaa\text{ }b\text{ }c\]

    B) \[Cytb\text{ }c\text{ }a\text{ }{{a}_{3}}\]

    C) \[Cytb\text{ }c\text{ }{{a}_{3}}~a\]

    D) \[Cytc\text{ }b\text{ }a\text{ }{{a}_{3}}\]

    Correct Answer: B

    Solution :

    These are arranged in order of their increasing redox potential and electron flow through the chain in step wise manner from the more electronegative compound to the more electropositive\[{{O}_{2}}\]. On the basis of redox potential cytochrome acceptor order is\[cyt\text{ }b\text{ }c\text{ }a{{a}_{3}}.\]


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