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NEET Sample Paper NEET Sample Test Paper-85

  • question_answer
    Carbon dioxide labelled with \[^{14}C\] has been used to identify the intermediate compounds in the Calvin cycle, the light independent stage in photosynthesis. Which compound would be the first to contain the \[^{14}C?\]

    A) glucose 

    B)        starch

    C) GP(PGA)                      

    D) triose phosphate

    Correct Answer: C

    Solution :

    [c] During the calvin cycle, the radioactive \[C{{O}_{2}}\] is accepted by ribulose 1,5 bisphosphate (RuBP) in the formation of the first product, 3-phosphoglyceraldehyde (PGA), which will be the first compound to contain \[^{14}C.\]


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