Which of the Following is Not a Lipid or Lipoid

Question

Which of the following is not a lipid or lipoid substance?
A) Steroids
B) Vitamins A, D, E, and K
C) Prostaglandins
D) Ammonia

Accepted Answer

Ammonia is not a lipid or lipoid substance. It is an inorganic compound and a common waste product of metabolism. Steroids, vitamins A, D, E, and K, and prostaglandins are all examples of lipid or lipoid substances.