Sucrose contains (a) 12 linkage (b) 21 linkage (c) (12) (d) (14)linkage16 Maltose contains a) 12 linkage (b) 2 1 linkage (c) (12) (d) (14)linkage
Question
Sucrose contains (a) 12 linkage (b) 21 linkage (c) (12) (d) (14)linkage16 Maltose contains a) 12 linkage (b) 2 1 linkage (c) (12) (d) (14)linkage
Solution
Sucrose, also known as table sugar, is a disaccharide composed of glucose and fructose. The linkage between the glucose and fructose molecules in sucrose is an alpha (1→2) glycosidic linkage. So, the correct answer for sucrose is (c) (12).
Maltose, also known as malt sugar, is a disaccharide composed of two glucose molecules. The linkage between the two glucose molecules in maltose is an alpha (1→4) glycosidic linkage. So, the correct answer for maltose is (d) (14)linkage.
Similar Questions
Observe the following statements.I. Sucrose has glycosidic linkage.II. Cellulose is present in both plants and animals.III. Lactose contains D-galactose and D-glucose units.Which of the following statements are correct?(I), (II) and (III)(I) and (II)(I) and (II)(I) and (III)
Which of the following statements is false? (a) D-glucose units of amylose are linkedthrough alpha (14) linkage (b) D-glucose and D-galactose are epimers (c)enzymatic degradation of starch by -amylase breaks down starch initially intodextrins (d) lactose is a reducing sugar
Which of the following statements is true? (a) amylopectin is composed of (14)linked D-glucuronic acids (b) D-xylose and D-ribose units (c) glucose and fructosejoined by 12 linkage (d) D-glucose units joined by 1 4 linkage
Sucrose is composed of the following two subunits.
Hydrolysis of sucrose givesa.levorotatory glucose and dextrorotatory fructoseb.none of the themc.dextrorotatory glucose and levorotatory fructose
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