How Does the Potential Energy of a Correctly Folded Protein

Multiple Choice

How does the potential energy of a correctly folded protein compare to the energy of an unfolded protein or a wrongly folded one?

A) The energy of a correctly folded protein is lower.
B) The energy of a correctly folded protein is higher.
C) The energy of proteins is the same no matter how they are folded or unfolded.
D) Proteins do not have energy.
E) Sometimes the energy of a correctly folded protein is lower and sometimes it is higher.