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Questions  

Identify the type of bond primarily responsible for stabilization of secondary structure of proteins.

a
Covalent bond
b
Ester bond
c
Hydrogen bond
d
Peptide bonds

detailed solution

Correct option is C

Protein molecules of secondary structure are spirally coiled. In addition to peptide bond, amino acids are linked by hydrogen bonds between oxygen of one amide group and hydrogen of another amide group. Therefore, hydrogen bonds are primarily responsible for stabilization of secondary structure of proteins.

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Choose the biomolecules with amino groups.

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C. Serine

D. Lecithin


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