If a protein consists of more than one polypeptide chain, the arrangement of these subunits with respect to each other is known as:
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Correct answer: Quaternary structure
Quaternary structure describes the spatial arrangement and interaction of multiple polypeptide subunits. Hemoglobin is a classic example of this level of organization.
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More Proteins: Structure and Functions questions
- Which of the following is an acidic amino acid?
- In the alpha-helix secondary structure, the polypeptide chain is coiled in which direction?
- The simplest amino acid, where the R-group is represented by a hydrogen atom, is:
- Which of the following proteins acts as an intercellular ground substance?
- A protein's primary structure provides information about:
- Which of the following is a basic amino acid?