The answer among the choices is letter A. Sterols is a lipid that doesn't contain a glycerol backbone because it is mostly unsaturated. It can be commonly found on fungi, plants, and animals as an important organic molecule. I hope my answer helps you.
Answer:
poisoning or choking but id say choking over anything
Explanation:
Answer:
im sry but i dont want to answer ._.
Explanation:
Because the doctor is concerned about something the person has.