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: Biochemistry
[{'content': 'In an experiment, biologic characteristics of neoplastic and non-neoplastic cells are analyzed in culture. The biochemical expes repo that it is observed that cell division in cells derived from malignant neoplasms, but not in normal cells, is aided by the presence of an enzyme which repairs progressive chromosomal shoening. The lack of chromosomal shoening allows the malignant cells to undergo many more divisions than the normal cells. Which of the following enzymes is most likely to have this effect? \nSelect and explain. \nA. Reverse transcriptase, B. DNA polymerase, C. Isomerase, D. Telomerase', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Telomerase', 'role': 'assistant'}]