Punjab Medical Punjab - MET Solved Paper-2010

  • question_answer
    Lactose is composed of

    A)  glucose and fructose

    B)  glucose and glucose

    C)  glucose and galactose

    D)  fructose and galactose

    Correct Answer: C

    Solution :

    Lactose\[({{C}_{12}}{{H}_{22}}{{O}_{11}})\]is a disaccharide found in mammalian milk. It comprises galactose and glucose units which are linked together by\[\beta ,\,\,1,\,\,4\]glycosidic bonds. It Is a reducing sugar.


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