Fact 1: Aging occurs as cells lose their ability to divide. Fact 2: Portions of the telomeres are lost each time a cell divides. Given the two facts above, the loss in length of what causes cells to age?

Pick your answer from:
[1]. fur and fat
[2]. layers of fat
[3]. cell membrane
[4]. sunlight
[5]. Chlorophyll
[6]. telomeres
[7]. programmed cell death
[8]. cancer
Answer:
[6].