Fact 1: Aging is associated with the death of cells. Fact 2: Telomeres degrade as the cells divide and their shortening causes cell death. Given the two facts above, aging is associated with degrading:?
Available options:
1). Most plants.
2). an object.
3). Acids.
4). telomeres.
5). layers of fat.
6). Chlorophyll.
7). vegetation.
8). the skin.
Answer:
4).