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Question: Answered & Verified by Expert
Proteins are found to have two different types of secondary structures viz. $\alpha$-helix and $\beta$-pleated sheet structure. $\alpha$-helix structure of protein is stabilised by:
ChemistryBiomolecules
Options:
  • A
    peptide bonds
  • B
    van der Waal's forces
  • C
    hydrogen bonds
  • D
    dipole-dipole interactions
Solution:
1835 Upvotes Verified Answer
The correct answer is:
hydrogen bonds
In $\alpha$-helix structure, - NH group of one amino acid is hydrogen bonded to $\rangle \mathrm{C}=\mathrm{O}$ group of adjacent amino acid, forming a helix.

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