Which structure of protein remains intact after coagulation of egg white on boiling?

Question

Canvas Classes · Accepted Answer

Protein structure levels and denaturation:

| Structure | Description | Stabilized by | Affected by denaturation? |
|---|---|---|---|
| Primary | Sequence of amino acids | Peptide bonds (covalent) | NO — remains intact |
| Secondary | -helix, -sheet | H-bonds | Yes — disrupted |
| Tertiary | 3D folding | H-bonds, disulfide, hydrophobic | Yes — disrupted |
| Quaternary | Multiple subunits | Non-covalent interactions | Yes — disrupted |

Key principle: Denaturation disrupts secondary, tertiary, an

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