Scientist uses 2 methods to determine the age of the universe. 1. by studying the oldest objects within the universe. 2. measuring how fast it is expanding.
If a p53 gene is defective it may cause cell cycle to stop functioning normally. Without this cell cycle check, cells will divide continuosly creating many chromosomal damage.
It eats away you muscle but your body makes it better
Autotroph's are living organism which produce complex compounds
