Which of the Following Correctly Describes Denaturation? Select All That

Which of the following correctly describes denaturation? Select all that apply.

A) Destroys the structure of the protein, leaving only individual amino acids
B) Facilitated by the hydrochloric acid in the stomach
C) Can be accomplished through food preparation, like marinating a meat in a citrus marinade
D) Facilitates digestion as it makes the protein more available to digestive enzymes