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प्रश्न
β-pleated sheet structure in proteins refers to ______.
विकल्प
primary structure
secondary structure
tertiary structure
quaternary structure
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उत्तर
β-pleated sheet structure in proteins refers to secondary structure.
Explanation:
β-pleated sheet is a secondary protein structure formed when two or more segments of a polypeptide chain line up next to each other, generating a sheet-like structure held together by a hydrogen bond.
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संबंधित प्रश्न
Which of the following biomolecules is insoluble in water?
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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
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The main structural feature of proteins is
Explain formation of peptide linkage in protein with an example.
An α-helix is a structural feature of ______.
Assertion (A): Proteins are polymers of α-amino acids connected by a peptide bond.
Reason (R): A tetrapeptide contains 4 amino acids linked by 4 peptide bonds.
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:
