This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Virology, Subject name: Microbiology
[{'content': 'Regarding HIV which of teh following is nopt true - \nSelect and explain. \nA. It is a DNA retrovirus, B. Contains Reverse Transcriptase, C. May infect host CD4 cells other than T lymphocytes, D. Causes a reduction in host CD4 cells at late stage of disease', 'role': 'user'}, {'content': "Answer: A \nExplanation: HIV genome is diploid composed of 2 identical single stranded positive sense RNA copies.In association with reverse transcriptase enxyme. REF:ANANTHANARAYAN AND PANIKER'S TEXTBOOK OF MICROBIOLOGY 9TH EDITION PAGE NO:571", 'role': 'assistant'}]