Question:
When a protein has two or more polypeptide subunits, their folding arrangement is called:
When a protein has two or more polypeptide subunits, their folding arrangement is called:
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Quaternary = ”Q for Quartet,” referring to multiple subunits forming a functional complex.
Updated On: Feb 11, 2026
- Primary structure
- Secondary structure
- Tertiary structure
- Quaternary structure
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The Correct Option is D
Solution and Explanation
The quaternary structure of a protein describes the arrangement and interactions of multiple polypeptide chains (subunits) within a single protein complex. Examples include hemoglobin and collagen.
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