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': 'Which amino acid plays a vital role in Neutrophil extracellular traps? \nSelect and explain. \nA. Arginine, B. Valine, C. Isoleucine, D. Aspartic acid', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Arginine amino acid is required for breakdown of histone polynucleotidyl complexes necessary for neutrophilic extra cellular trap.', 'role': 'assistant'}]