CBSE BoardEnglish MediumSTD 12 ScienceChemistry10. Biomolecules1 Mark
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.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.