Prostaglandins are derived from:: (A) Stearic acid, (B) Arachidonic acid, (C) Glutamic acid, (D) Aspartic acid
Answer is B. Ans. (b) Arachidonic acidRef: Lippincott's Biochemistry, 6th ed. P 213* Prostaglandin is derived from the metabolism of arachidonic acid with the help of cyclooxygenase (COX) enzyme.