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.

Question

Quizplus · Accepted Answer

Secondary structures, such as α-helices and β-sheets, are stabilized by hydrogen bonds between the carbonyl oxygen and amide hydrogen in the backbone of the polypeptide chain, not between the side chains.

Which Statement About Secondary Structures Is FALSE