The levels of protein structure are hierarchical. A structure composed of a single polypeptide chain with two independently folding domains is best described as having
A.
Primary structure only
B.
Secondary structure only
C.
Tertiary structure with domains
✓
D.
Quaternary structure
📝 Explanation
Domains are independently folded regions within a single polypeptide and are part of tertiary structure.
📖 Additional Information
Primary structure only
Secondary structure only
Tertiary structure with domains
Quaternary structure
Domains are independently folded regions within a single polypeptide and are part of tertiary structure.
