This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cellular Pathology, Subject name: Pathology
Annexin V is a marker of 
Select and explain. 
A. Necrosis, B. Gangrene, C. Aging, D. Apoptosis
D: Apoptosis
Answer: D: Apoptosis 
Explanation: Ans. (d) Apoptosis(Ref: Robbins 9th/pg 53; Robbins 9th/pg 29-30)Apoptotic cells express phosphatidylserine/thrombos - pondinQ on the outer layer of plasma membrane because of which these cells are recognized by the dye Annexin V