Tertiary Structure Is Defined As

Multiple Choice

Tertiary structure is defined as:

A) the sequence of amino acids.
B) the folding of a single polypeptide chain in three-dimensional space.
C) hydrogen bonding interactions between adjacent amino acid residues into helical or pleated segments.
D) the way in which separate folded monomeric protein subunits associate to form oligomeric proteins.
E) all are true.