BHU PMT BHU PMT Solved Paper-2001

  • question_answer
    Cytochromes are present in :

    A)  outer membrane of mitochondria

    B)  matrix of mitochondria

    C)  matrix of mitochondria

    D)  cytoplasm of cell

    Correct Answer: C

    Solution :

     Cytochromes are iron containing electron-carrier proteins takes part in electron transport system. Site of ETS is oxysomes present on cristal (in floding of  inner membrane of mitochondria into matrix). So cytochromes are present in cristal. Outer membrane of mitochondria is regular and selectively permeable. Krebs cycle takes place in matrix of mitochondria during aerobic respiration. Glycolysis takes place in cytoplasm during aerobic and anaerobic respiration.


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