Punjab Medical Punjab - MET Solved Paper-2010

  • question_answer
    Carbon dioxide acceptor in \[{{C}_{3}}-\]plants is

    A) \[PGA\]                               

    B) \[RuDP\]

    C) \[PEP\]                                

    D)  None of these

    Correct Answer: B

    Solution :

    In \[{{C}_{3}}-\]plants, carbon dioxide molecules are accepted by RuBP (formerly known as RuDP) to produce a 6C compound which breaks down into 3-phosphoglyceric acid (3C compound). \[RuBP+C{{O}_{2}}+{{H}_{2}}O\xrightarrow{RuBP\,\,Carboxylase}6C\,\,compound\]Enzymes RuBP carboxylase (Rubisco) is a most abundantly found protein in the world because this enzyme presents in all plant containing chlorophyll.


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