Question

Tertiary structure of protein is maintained by
Peptide bond
Hydrogen bond
Di-sulphide bond
All

Answer 1

Answer:

Peptide Bond

Explaination

The tertiary structure will have a single polypeptide chain "backbone" with one or more protein secondary structures, the protein domains. Amino acid side chains may interact and bond in a number of ways. The interactions and bonds of side chains within a particular protein determine its tertiary structure.

Answer 2

The tertiary structure of a protein is maintained by the Hydrogen bond.

Explanation:

• Protein is known to have four different structures, i.e., primary, secondary, tertiary and quaternary.
• The tertiary structure of a protein is the three-dimensional arrangement of the polypeptide chain.
• The stabilisation of this tertiary structure is usually achieved by the polar hydrophilic Hydrogen bonds present outside and the ionic interactions.
• Internal hydrophobic interactions also act between non-polar amino acid chains.
• Therefore, the tertiary structure of a protein is usually maintained by the Hydrogen bonds.

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