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
False about telmerase is: 
Select and explain. 
A. Has reverse Transcriptase activity, B. Has intrinsic Primer, C. It is a ribonucleoprotein, D. Telomerase leads to premature ageing.
D: Telomerase leads to premature ageing.
Answer: D: Telomerase leads to premature ageing. 
Explanation: Telomerase prevents premature ageing.