Social Media Management intermediate
Which statements about common disaccharides are correct?
Answer
Lactose yields galactose and glucose upon hydrolysis, Maltose contains two glucose residues, Sucrose contains glucose and fructose
Explanation
Lactose yields galactose and glucose; maltose consists of two glucose residues joined through an α(1→4) linkage; sucrose contains glucose and fructose. Thus the final option incorrectly assigns a β linkage to maltose. **Key takeaway:** Disaccharides are identified by their component sugars and glycosidic linkage. **Glossary:** Hydrolysis: bond cleavage involving water.
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