JCECE Medical JCECE Medical Solved Paper-2008

  • question_answer
    \[{{\text{C}}_{4}}-\]pathway for \[\text{C}{{\text{O}}_{\text{2}}}-\]fixation was proposed by

    A)  Benson and associates

    B)  Arnon and associates

    C)  Rouhani et \[al\]

    D)  Hatch et \[al,\]

    Correct Answer: D

    Solution :

     The detailed study of \[{{\text{C}}_{\text{4}}}-\]cyclewas introduced by M D Hatch and C R Slack (1966), therefore, called Hatch and Slack cycle. \[{{\text{C}}_{\text{4}}}-\]cycle occurs in some tropical plants (maize, sugarcane, Atriplex, Amaranthus etc) having Kranz anatomy. The chloroplasts in leaves of \[{{\text{C}}_{\text{4}}}-\]plants are dimorphic. Arnon   and   his   associates   discovered photophosphorylation in photosynthesis, ie, phosphorylation of ADP in presence of light.


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