This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardiovascular system, Subject name: Physiology
[{'content': 'Which of the following has high molecular weight and possess no role in transpo mechanism is? \nSelect and explain. \nA. Albumin, B. Alpha-globulin, C. Beta globulin, D. Fibrinogen', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Fibrinogen is with molecular weight of 3,40,000 and it helps in coagulation of blood. Ref: Textbook of medical physiology by N Geetha, 2nd edition, page no. 67', 'role': 'assistant'}]