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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
Define the following as related to proteins:
Peptide linkage
Which of the following biomolecules is insoluble in water?
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
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
α-Helix is a secondary structure of proteins formed by twisting of polypeptide chain into right-handed screw like structures. Which type of interactions are responsible for making the α-helix structure stable?
Explain the terms primary and secondary structure of proteins. What is the difference between α-helix and β-pleated sheet structure of proteins?
The main structural feature of proteins is
Presence of disulphide link gives rise to which structure of protein?
An α-helix is a structural feature 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:
