It’s B the other person put D but that’s the cell wall or cell membrane
HOPE THIS HELPS !
The list that is composed of substances that are widely used for many years without apparent ill effects is the GRAS. GRAS is an abbreviation for generally recognized as safe; it is an American food and drug adminstration designation where chemical or substance added to food is considered safe by experts, and therefore, it is exempted from the usual federal food, drug, and cosmetic Act.
Answer:
what are you trying to ask about?
Gimme the Q I got this fam
The answer is (B. levothyroxine)