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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?
What are the common types of secondary structure of proteins?
Write one difference between α-helix and β-pleated structures of proteins.
Which of the following biomolecules is insoluble in water?
The protein responsible for blood clotting is ____________.
Which functional group participates in disulphide bond formation in proteins?
In fibrous proteins, polypeptide chains are held together by:
(i) van der Waals forces
(ii) disulphide linkage
(iii) electrostatic forces of attraction
(iv) hydrogen bonds
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:
The total number of negative charge in the tetrapeptide, Gly-Glu-Asp-Tyr at pH 12.5 will be ______. (Integer answers)
