This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
[{'content': 'Alpha granules of platelates contain all except ? \nSelect and explain. \nA. Firinogen, B. TGF-b, C. PDGF, D. ADP', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., ADP Platelets contain two specific types of granules : ? Alpha granule - Contains fibrinogen, fibronectin, factors V & VIII, PDGF, TGF-b and platelet factor 4. Dens bodies or Sgranules -Contain ADP, Ca+2, histamine, serotonine, and epinephrine.", 'role': 'assistant'}]