Multiple Choice
Quaternary structure of a protein refers to ________.
A) the sequence of amino acids in a polypeptide
B) alpha-helical or beta-sheet arrangements of protein structure
C) three-dimensional coil of a polypeptide around itself
D) the association of multiple polypeptide subunits to form a functional protein
E) the number of amino acids in a polypeptide chain
Correct Answer:

Verified
Correct Answer:
Verified
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