CELL STRUCTURES AND FUNCTION
BIO MOLECULES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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glucose and galactose
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fructose and galactose
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glucose and fructose
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glucose and glucose
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Detailed explanation-1: -Galactose is a sugar found in milk. Galactose is a monosaccharide. So, it is true that D-glucose and galactose are components of lactose.
Detailed explanation-2: -lactose, carbohydrate containing one molecule of glucose and one of galactose linked together.
Detailed explanation-3: -Common disaccharides include lactose, maltose, and sucrose. Lactose is a disaccharide consisting of glucose and galactose and is found naturally in milk.
Detailed explanation-4: -The major dietary source of galactose is lactose, a disaccharide formed from one molecule of glucose plus one of galactose. Lactose is found only in milk; after weaning, significant quantities of dietary lactose are found only in dairy products (Table 1).
Detailed explanation-5: -Lactose is one of the main constituents of human and animal milk (Table 1). As a disaccharide consisting of glucose and galactose, lactose acts as an energy-carrier in milk.