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JEE Main & Advanced Chemistry Biomolecules / जैव-अणु Question Bank Critical Thinking Biomolecules

  • question_answer
    Sucrose molecule is made up of                [KCET 2005]

    A)                 A gluco pyranose and a fructo pyranose

    B)                 A gluco pyranose and a fructo furanose

    C)                 A gluco furanose and a fructo pyranose

    D)                 A gluco furanose and a fructo furanose

    Correct Answer: B

    Solution :

                    Surcrose is composed of \[\alpha \]-D-glucopyranose unit and a \[\beta \]?D-fructofuranose unit. These units are joined by \[\alpha -\beta \]-glycosidic linkage between C?1 of the glucose unit and C?2 of the fructose unit.


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