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प्रश्न
β-pleated sheet structure in proteins refers to ______.
पर्याय
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
How are proteins classified on the basis of molecular shapes?
Write one difference between α-helix and β-pleated structures of proteins.
Which functional group participates in disulphide bond formation in proteins?
Optical rotations of some compounds along with their structures are given below which of them have D configuration.
| (I) | ![]() |
| (II) | ![]() |
| (III) | ![]() |
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
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?
The correct structure of Ruhemann's Purple, the compound formed in the reaction of ninhydrin with proteins is:
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.
What is the effect of denaturation on the structure of proteins?
Statement I: A protein is imagined as a line, the left end represented by first amino acid (C-terminal) and the right end represented by last amino acid (Nterminal).
Statement II: Adult human haemoglobin, consists of 4 subunits (two subunits of a type and two subunits β type.)
In the light of the above statements, choose the correct answer from the options given below:



