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    Biology
    Grade-9
    Easy

    Question

    Which of the following is the primary acceptor of carbon dioxide in Calvin Cycle?

    1. Glucose
    2. 3 PGA
    3. RUBP
    4. RUBISCO

    Hint:

    RUBP

    The correct answer is: RUBP

      In the Calvin cycle the carbon dioxide acceptor molecule is RUBP, and the enzyme catalyzing this reaction is RUBISCO. The carbon dioxide acceptor in Calvin cycle is a five carbon ketose sugar- Ribulose biphosphate (RuBP). Its chemical name is Ribulose 1,5-diphosphate.

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