Figure 3-2 Use the Figure Below to Answer the Corresponding Question(s)

Figure 3-2
Use the figure below to answer the corresponding question(s) .
-The tertiary structure of proteins is typified by the:

A) association of several polypeptide chains by weak bonds.
B) order in which amino acids are joined in a peptide chain.
C) bonding of two amino acids to form a dipeptide.
D) folding of a peptide chain to form an alpha helix.
E) three-dimensional shape of an individual polypeptide chain.