Which Statement About the Three-Dimensional Structure of a Protein Is

Which statement about the three-dimensional structure of a protein is true?

A) If you disturb the hydrogen bonding, only the primary structure will be left.
B) If you disturb the van der Waals forces, only the quaternary structure will be affected.
C) Tertiary and quaternary structures are held together by similar types of interactions.
D) Tertiary structure is independent of primary structure.
E) All proteins have primary, secondary, tertiary, and quaternary structure.