This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Chemotherapy, Subject name: Pharmacology
[{'content': 'The HIV fusion inhibitor, enfuviide, acts at the site of: \nSelect and explain. \nA. Gp 120, B. Gp 41, C. P24, D. CXCR4', 'role': 'user'}, {'content': 'Answer: B \nExplanation: ENFUVIIDE: This HIV derived synthetic peptide acts by binding to HIV-1 envelope transmembrane glycoprotein(gp 41) which is involved in fusion of viral and cellular membranes. ESSENTIALS OF MEDICAL PHARMACOLOGY K.D.TRIPATHI SEVENTH EDITION PAGE NO:811', 'role': 'assistant'}]