Some Proteins, Like Hemoglobin or Antibody Molecules, Require Multiple Polypeptide

Multiple Choice

Some proteins, like hemoglobin or antibody molecules, require multiple polypeptide chains to come together to act as a single protein. If the association among the different polypeptide chains is blocked, the ________ structure of the protein is destroyed.

A) primary
B) secondary
C) tertiary
D) quaternary
E) binary