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': 'Toll like receptors are present in \nSelect and explain. \nA. PMNs, B. Reticuocytes, C. Reticuocytes, D. Leukocytes', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Toll-like receptors (TLRs)\nMicrobial sensors that recognize products of bacteria (such as endotoxin and bacterial DNA), viruses (like DS-RNA), and other pathogens.\nTLRs are located in plasma membranes and endosomes of leukocytes, so they are able to detect extracellular and ingested microbes.', 'role': 'assistant'}]