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Bioenergetics and Metabolism Miscellaneous

Bioenergetics and Metabolism

  1. The product(s) resulting from the hydrolysis of maltose is/are
    1. a mixture of a-D-Glucose and ß-D-Glucose
    2. a mixture of D-Glucose and L-Glucose
    3. a-D-Glucose only
    4. ß-D-Glucose only
Correct Option: A

Maltose or malt sugar is the least common disaccharide in nature. It is present in germinating grain, in a small proportion in corn syrup, and forms on the partial hydrolysis of starch. It is a reducing sugar. In the hydrolysis of any di-or polysaccharide, a water molecule helps to break the acetal bond. The acetal bond is broken; the H from the water is added to the oxygen glucose. The -OH is then added to the carbon on the other glucose. In this case the diastase enzyme is very specific and cuts the starch chain in two units of glucose which is maltose.



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