All of the Statements About the Tertiary Structure of the Enzyme

Multiple Choice

All of the statements about the tertiary structure of the enzyme triose phosphate isomerase are correct EXCEPT:

A) Its β-strands are parallel.
B) Its α-helices are in the interior core of the molecular structure.
C) It contains a β-barrel in the center of its structure.
D) It is composed entirely of alternating α-helices and β-strands.
E) Hydrophobic residues are buried between concentric layers.