Which Statement About Secondary Structures Is FALSE

Multiple Choice

Which statement about secondary structures is FALSE?

A) Some proteins only contain α-helices or β sheets.
B) Structural proteins often contain only β sheets.
C) Secondary structure is stabilized by hydrogen bonding between amides in the polypeptide backbone.
D) Side chains are involved in the hydrogen bonds that stabilize the secondary structure.
E) A protein can contain both α-helices and β sheets.