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  3. BCECE Medical

BCECE Medical BCECE Medical Solved Papers-2015

  • question_answer
    Radioactive \[C{{O}_{2}}{{(}^{14}}C{{O}_{2}})\] is added to the suspension of a photosynthesising green algae. Which compound of the following will be labelled first with \[^{14}C{{O}_{2}}\]?

    A)  Glucose           

    B)  RuBP

    C)  GP(PGA)          

    D)  Triose phosphate

    Correct Answer: C

    Solution :

    3-carbon, Phosphoglyceric Acid (PGA) is the first stable compound formed in Calvin cycle after the fixation of \[C{{O}_{2}}\]. It is a metabolic intermediate in both glycosis and the Calvin cycle.


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