Q5Multiple choice
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 :
- (i)Peptide bonds
- (ii)van der Waals forces
- (iii)Hydrogen bonds
- (iv)Dipole-dipole interactions
Show answer
(iii) Hydrogen bonds
Hint: Hint : In α-helix, hydrogen bonds are present between –NH group of one amino acid residue to the >C== O group of another aminoacid residue.