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α – helix is stabilised byans.Vander Wall’s forcesDisulphide bondsIonic bondsHydrogen bonds Previous Marked for Review Next

Question

α – helix is stabilised byans.Vander Wall’s forcesDisulphide bondsIonic bondsHydrogen bonds Previous Marked for Review Next

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Solution

The α-helix structure in proteins is stabilized by Hydrogen bonds.

Here's a step-by-step explanation:

  1. An α-helix is a common secondary structure in proteins, where the protein chain is coiled in a right-handed spiral conformation.

  2. This structure is stabilized by hydrogen bonds, which occur between the oxygen atom of one amino acid and the hydrogen atom of another amino acid.

  3. These hydrogen bonds are formed within the backbone of the protein chain, not between side chains of amino acids.

  4. Each turn of the α-helix has 3.6 amino acid residues, and each amino acid forms a hydrogen bond with the amino acid four residues ahead of it in the sequence.

  5. This regular pattern of hydrogen bonding is what gives the α-helix its characteristic shape and stability.

So, the correct answer is Hydrogen bonds.

This problem has been solved

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