Manipal Medical Manipal Medical Solved Paper-2014

  • question_answer
    The mechanism of ATP formation both in mitochondria and chloroplast is best explained by

    A) Relay pump theory of Godlewski

    B) Cholondy - Went's model

    C) Cheimoosmotic theory

    D) (d) Munch's mass flow hypothesis

    Correct Answer: C

    Solution :

    As per Peter Mitchell's chemioosmotic coupling hypothesis, outward pumping of protons across the inner chloroplast or mitochondria! Membrane result in accumulation of protons between outer membrane and inner membrane. A proton gradient is thus established. As proton now flow back passively down the gradient, the proton motive force is utilised to synthesise ATP.


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