Denaturation
Easychemistry
Protein denaturation primarily disrupts:
Select the correct option:
Solution
Incorrect! Answer:
Secondary/tertiary/quaternary structures (non-covalent)
- Folded State: Natural proteins are in a specific 3D shape called the 'native conformation'.
- Denaturation: A process where a protein loses its biological activity due to physical or chemical changes (high temp, pH change).
- What breaks: It disrupts the relatively weak non-covalent interactions (Hydrogen bonds, hydrophobic interactions, salt bridges) and sometimes disulfide bonds.
- What remains: The primary structure (linear sequence of amino acids held by covalent peptide bonds) is usually unaffected.
- Result: The protein becomes 'uncoiled' and loses its functional shape.
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About This Question
- Subject
- chemistry
- Chapter
- biomolecules
- Topic
- denaturation
- Difficulty
- Easy
- Year
- 2025
Solution
Correct Answer:
Secondary/tertiary/quaternary structures (non-covalent)
- Folded State: Natural proteins are in a specific 3D shape called the 'native conformation'.
- Denaturation: A process where a protein loses its biological activity due to physical or chemical changes (high temp, pH change).
- What breaks: It disrupts the relatively weak non-covalent interactions (Hydrogen bonds, hydrophobic interactions, salt bridges) and sometimes disulfide bonds.
- What remains: The primary structure (linear sequence of amino acids held by covalent peptide bonds) is usually unaffected.
- Result: The protein becomes 'uncoiled' and loses its functional shape.
This easy difficulty chemistry question is from the chapter biomolecules, covering the topic of denaturation. It appeared in the 2025 exam.
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