This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General Microbiology Pa 1 (History, Microscopy, Stains and Structure and Physiology of Bacteria), Subject name: Microbiology
Reverse transcriptase is _____ 
Select and explain. 
A. DNA-dependent RNA polymerase, B. RNA-dependent DNA polymerase, C. DNA-dependent DNA polymerase, D. RNA-dependent RNA polymerase
B: RNA-dependent DNA polymerase
Answer: B: RNA-dependent DNA polymerase 
Explanation: Reverse transcriptase : It is RNA-dependent DNA polymerase This enzyme has role in the replication of the AIDS virus and other retroviruses.