MCQ
The helical structure of proteins is established by
  • A
    Peptide bonds
  • B
    Dipeptide bond
  • Hydrogen bond
  • D
    Vander Waal's forces

Answer

Correct option: C.
Hydrogen bond
c
The alpha helix ( $\alpha$-helix) is a common motif in the secondary structure of proteins and is a right hand-helix conformation in which every backbone $N - H$ group hydrogen bonds to the backbone $C = O$. group of the amino acid located three or four residues earlier along the protein sequence.

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