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
Which of the following has high molecular weight and possess no role in transpo mechanism is? 
Select and explain. 
A. Albumin, B. Alpha-globulin, C. Beta globulin, D. Fibrinogen
D: Fibrinogen
Answer: D: Fibrinogen 
Explanation: 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