Question

The tertiary structure of a protein consist of

• A. Hydrogen bonds
• B. Peptide
• C. Ionic bonds and S-linkage
• D. All of the above

Answer 1

Answer: (D)

All of the above

The tertiary structure of a protein is produced by coiling of the protein chain having several secondary structures on itself to form a stable 3-dimensional functional entity. The functional 3-dimensional structure of a protein is called native state. It possesses special areas of activity. It is produced not only with the help of peptide bonds which link together various amino acids but also hydrogen bonds, sulphide bonds, and ionic bonds.

So, the correct answer is option D.