Question : What is meant by tertiary structure of proteins?

1.	Question : What is meant by tertiary structure of proteins?
Answer» Solution :In tertiary structureof proteins, the polypeptide chain undergoes folding and COILING assuming a complex but specific form to attain functional conformation. The tertiary structure is absolutely necessary for many biological activities of proteins. They may be spherical, rod-like, etc. The COILS and folds are so arranged as to hide the non-polar amino acid chains inside and to expose the polar side chairs. Tertiary structure is MAINTAINED by weak bonds like hydrogen ionic, disulphide and hydrophilic-hydrophobic bonds. Tertiary structure of a protein forms active SITES of enzymes, Globular proteins have tertiary structure. The biological activity of a protein molecular depends on the specific tertiary structure.

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