Which of the following statements describes the structural level of a protein that is least affected by hydrogen bonding?
(A)Primary structure depends on the sequence of amino acids. (B)Tertiary structure has a shape dependent on the interactions of side chains of amino acids. (C)Quaternary structure results from the aggregation of more than one polypeptide unit. (D)An α-helix is an example of a secondary structure of a polypeptide.
A