JIPMER Jipmer Medical Solved Paper-2001

  • question_answer
    Which of the following is the main production the photorespiration of \[{{C}_{3}}\] plants?

    A) Glycolate            

    B)       Glycerate

    C) Phosphoglycolate

    D)       Phosphoglycerate

    Correct Answer: C

    Solution :

    Phosphoglycolate is the substrate for enzyme oxygenase. It is converted into glycolate which moves to adjacent peroxisome   and   converted   into glyoxylate and further glycine. Glycinemoves to mitochondria in which by releasing \[C{{O}_{2}}\] it converts into 3-PGA which forms carbohydrate. Therefore, substrate phosphoglycolate is the main product in photorespiration.


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