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प्रश्न
Differentiate between the following :
Peptide linkage and Glycosidic linkage
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उत्तर
| Peptide linkage | Glycosidic linkage |
| It is –CONH- a linkage that exists in proteins formed by condensation of amino acids. | It is –O–linkage. In disaccharide two monosaccharide units are joined through oxygen atom i.e. glycosidic linkage. |
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संबंधित प्रश्न
How is tripeptide formed?
Write one difference between α-helix and β-pleated structures of proteins.
Dinucleotide is obtained by joining two nucleotides together by phosphodiester linkage. Between which carbon atoms of pentose sugars of nucleotides are these linkages present?
Proteins can be classified into two types on the basis of their molecular shape i.e., fibrous proteins and globular proteins. Examples of globular proteins are:
(i) Insulin
(ii) Keratin
(iii) Albumin
(iv) Myosin
Which of the following are purine bases?
(i) Guanine
(ii) Adenine
(iii) Thymine
(iv) Uracil
Assertion: β-glycosidic linkage is present in maltose,
Reason: Maltose is composed of two glucose units in which C–1 of one glucose unit is linked to C–4 of another glucose unit.
Given below are two statements labelled as Assertion (A) and Reason (R).
Assertion (A): Proteins are found to have two different types of secondary structures viz alpha-helix and beta-pleated sheet structure.
Reason (R): The secondary structure of proteins is stabilized by hydrogen bonding.
Select the most appropriate answer from the options given below:
Out of the following, which type of interaction is responsible for the stabilisation of the α-helix structure of proteins?
Proteins are polymers of ______.
Match List I with List II:
| List I | List II |
| A. GLUT-4 | I. Hormone |
| B. Insulin | II. Enzyme |
| C. Trypsin | III. Intercellular ground substance |
| D. Collagen | IV. Enables glucose transport into cells |
Choose the correct answer from the options given below:
