試題詳解

2. Which of the following statements concerning protein structures is correct?
(A) Protein functions are independent of protein structure.
(B)Protein primary structure refers to the three-dimensional shape stabilized by interactions between side chains of amino acids.
(C) Protein secondary structure refers to the linear sequences of amino acids.
(D) Protein quaternary structure refers to association of multiple polypeptides to form a functional protein complex.