(from the article `cancer`) ...is another way that cells escape death. Normal cells have a limited capacity to replicate, and so they age and die. The processes of aging and ...
Found on
http://www.britannica.com/eb/a-z/t/22
Special DNA sequences at the ends of each chromosome that grow shorter each time a cell divides. Telomeres count the number of cell divisions, and when it shortens to a certain length, the cell will stop dividing (senescence) and eventually die.
Found on
http://www.encyclo.co.uk/local/22237
No exact match found.
