Assertion: telomerase | /r/HasProperty | needed
Facets:
Source sentences:
text: During the early stages of human development, telomerase is needed to compensate for the huge amount of cell divisions needed to complete embryogenesis and its expression is robustly switched off at a later stage (11,12).
text: This is a common concern, however telomerase does not cause cancer, but is a necessary requirement for cancer cells to divide.