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प्रश्न
Name the sugar present in milk. How many monosaccharide units are present in it? What are such oligosaccharides called?
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उत्तर
Lactose is commonly known as milk sugar since this disaccharide is found in milk. It is composed of β-D-galactose and β-D-glucose. The linkage is between C1 of galactose and C4 of glucose.
Lactose
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संबंधित प्रश्न
Glucose or sucrose are soluble in water but cyclohexane or benzene (simple six membered ring compounds) are insoluble in water. Explain.
Write two main functions of carbohydrates in plants.
What are reducing sugars?
Classify the following into monosaccharides and disaccharides.
Ribose, 2-deoxyribose, maltose, galactose, fructose and lactose
What are the hydrolysis products of sucrose?
The number of primary and secondary hydroxyl groups in ribose are -
(a) 1, 3
(b) 2, 3
(c) 3, 1
(d) 3, 2
The following molecule is called as:
\[\begin{array}{cc}
\ce{CHO}\phantom{..}\\
|\phantom{......}\\
\ce{(CHOH)4}\\
|\phantom{......}\\
\ce{CH2OH}
\end{array}\]
The two functional groups present in a typical carbohydrate are:
Which of the following monosaccharide is pentose?
Monosaccharides usually contains ____________ carbon atoms.
Which of the following reagent cannot distinguish between glucose and fructose?
Structure of a disaccharide formed by glucose and fructose is given below. Identify anomeric carbon atoms in monosaccharide units.
Which of the following monosaccharides are present as five membered cyclic structure (furanose structure)?
(i) Ribose
(ii) Glucose
(iii) Fructose
(iv) Galactose
What are glycosidic linkages? In which type of biomolecules are they present?
Assertion: Deoxyribose, \[\ce{C5H10O4}\] is not a carbohydrate.
Reason: Carbohydrates are hydrates of carbon so compounds which follow \[\ce{C_x(H2O)_y}\] formula are carbohydrates.
Account for the following:
Glucose is a reducing sugar
Reagent X is:
