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प्रश्न
An α-helix is a structural feature of ______.
विकल्प
Sucrose
Polypeptides
Nucleotides
Starch
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उत्तर
An α-helix is a structural feature of polypeptides.
Explanation:
An α-helix is a structural feature of polypeptides. In this structure, –NH– group of amino in one turn is twisted and stablised by hydrogen bond with the >C–O groups of amino acids. It is the secondary structure of protein.
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संबंधित प्रश्न
How are proteins classified on the basis of molecular shapes?
What are the common types of secondary structure of proteins?
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Proteins are found to have two different types of secondary structures viz. α-helix and β-pleated sheet structure. α-helix structure of protein is stabilised by:
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?
Each polypeptide in a protein has amino acids linked with each other in a specific sequence. This sequence of amino acids is said to be ______.
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:
β-pleated sheet structure in proteins refers to ______.
Write a classification of proteins with an example.
