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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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| (I) |  |
| (II) |  |
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