Which enzyme is responsible for the final step of carbohydrate digestion by breaking down limit dextrins into individual glucose molecules?
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Correct answer: Alpha-dextrinase (Isomaltase)
Alpha-dextrinase, also known as isomaltase, is a brush border enzyme specifically designed to cleave the alpha-1,6-glycosidic bonds that amylase cannot touch. This allows for the complete conversion of branched starch into absorbable monosaccharides.
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