Join the Most Relevant JEE Main 2025 Test Series & get 99+ percentile! Join Now
Search any question & find its solution
Question: Answered & Verified by Expert
Out of the following, which type of interaction is responsible for the stabilisation of α-helix structure of proteins?
ChemistryBiomoleculesJEE MainJEE Main 2021 (24 Feb Shift 1)
Options:
  • A Covalent bonding
  • B Ionic bonding
  • C Hydrogen bonding
  • D vander Waals forces
Solution:
1284 Upvotes Verified Answer
The correct answer is: Hydrogen bonding

Hydrogen bonding is responsible for the stacking of α-helix structure of protein.

The α-helix structure of proteins is stabilized by intramolecular H-bonding between C−O of one amino acid residue and the N−H of the fourth amino acid residue in the chain. 

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.