Question

# The helical structure of proteins is stabilized by:

A
peptide bonds
B
dipeptide bonds
C
hydrogen bonds
D
vander walls forces

Solution

## The correct option is C hydrogen bondsThe helical structure of proteins is stabilized by hydrogen bonds. In helical structure, the carbonyl oxygen atoms in $$C=O$$ points in one direction, towards the amide hydrogen atoms in $$NH$$ groups, 4 residues away. Together these groups form a hydrogen bond, one of the main forces of secondary structure stabilization in proteins. Hydrogen bonds are shown by dashed lines.ChemistryNCERTStandard XII

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