Lactose is composed of:
Correct answer: A. Glucose + Galactose
- A. Glucose + Galactose
- B. Fructose + Galactose
- C. Glucose + Fructose
- D. Glucose + Glucose
Explanation
Lactose is popularly known as milk sugar. It is a disaccharide composed of one molecule of glucose and one molecule of galactose. The covalent bond that joins these two monosaccharide units is called glycosidic bond or glycosidic linkage. It is a reducing sugar.
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