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प्रश्न
Define the following term:
Glycosidic linkage
What do you understand by the term glycosidic linkage?
उत्तर १
The oxide linkage formed by the loss of a water molecule between two monosaccharide units is known as the glycosidic linkage.
उत्तर २
Glycosidic linkage refers to the linkage formed between two monosaccharide units through an oxygen atom by the loss of a water molecule.
For example, in a sucrose molecule, two monosaccharide units, ∝-glucose and β-fructose, are joined together by a glycosidic linkage
Notes
Students can refer to the provided solutions based on their preferred marks.
संबंधित प्रश्न
Answer the following question.
Write the products obtained after the hydrolysis of lactose.
What happens when D-glucose is treated with the following reagent?
HNO3
The sugar that is characteristic of milk is ____________.
Which one is a disaccharide?
Maltose and glucose are ____________.
Which of the following has not a glucosidic linkage?
Match the following enzyms given in Column I with the reactions they catalyse given in Column II.
| Column I (Enzymes) | Column II (Reactions) |
| (i) Invertase | (a) Decomposition of urea into NH3 and CO2 |
| (ii) Maltase | (b) Conversion of glucose into ethyl alcohol |
| (iii) Pepsin | (c) Hydrolysis of maltose into glucose |
| (iv) Urease | (d) Hydrolysis of cane sugar |
| (v) Zymase | (e) Hydrolysis of proteins into peptides |
Lactose on hydrolysis yields
Maltose on treatment with dilute HC?
Which of the following will not show mutarotation?
Hydrolysis of sucrose is called ______.
When sucrose is hydrolysed the optical rotation values are measured using a polarimeter and are given in the following table:
| S. No. | Time (hours) | Specific Rotation |
| 1 | 0 | + 66.5° |
| 2 | ∞ | - 39.9° |
- Account for the two specific rotation values.
- What is the specific name given to sucrose based on the above observation?
- One of the products formed during the hydrolysis of sucrose is a glucose, that reacts with hydroxylamine to give compound A. Identify compound A.
