In the β -pleated sheet conformation
A) there are hydrogen bonds perpendicular to the direction of the polypeptide chain.
B) the polypeptide chain is almost fully extended.
C) the polypeptide chains may be hydrogen bonded together in a parallel or antiparallel orientation.
D) all of these

Question

Quizplus · Accepted Answer

In the β-pleated sheet conformation, hydrogen bonds form perpendicular to the direction of the polypeptide chain, the polypeptide chain is almost fully extended, and the polypeptide chains may be hydrogen bonded together in either a parallel or antiparallel orientation.

In the β -Pleated Sheet Conformation