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NEET Biology NEET PYQ-Cell The Unit Of Life

  • question_answer
    The figure below shows the structure of a mitochondrion with its four parts labelled [A], [B], [C] and [D]. Select the part correctly matched with its function. [AIPMT (M) 2011]          

    A) D—Outer membrane-gives—rise to inner membrane by splitting

    B) B—Inner membrane—forms infolding called cristae

    C) C—Cristae—possess single circular DNA molecule and ribosomes

    D) A—Matrix—major site for respiratory chain enzymes

    Correct Answer: B

    Solution :

    [B] The inner membrane of mitochondria forms a number of infoldings—called the cristae (sing-crista) towards the matrix. The cristae increase the surface area.


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