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': 'Telomerases are : \nSelect and explain. \nA. DNA dependent DNA polymerases, B. Highly active in somatic cells, C. Contain 2-3 oligosaccharide groups, D. Maximum activity in germ cells', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Telomerases are RNA dependent DNA polymerases (Reverse transcriptases)\nTher are Ribonucleoproteins in nature.\nThey are active in germ cells and stem cells.', 'role': 'assistant'}]