date:Jan 07, 2014
aintenance of genes
The bodys DNA the genetic code that makes a person who they are is constantly exposed to damage. In each of the hundred trillion cells in the body, up to two hundred thousand instances of damage to the DNA take place every day. These may stem from environmental causes such as smoking, stress, environmental pathogens or UV radiation. But the natural and life-sustaining processes in the organism are the primary sources of damage to the DNA.
Small worm shows repair genes
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