Fact 1: Cells have multiple repair mechanisms to fix mutations in DNA.

Fact 2: DNA damage is called mutation.

Given the two facts above, answer the question "What do cells have multiple repair mechanisms to repair?" with the following options: 
- Veins and arteries.
 - damage to DNA
 - a cuticle
 - animals
 - mammals
 - peachleaf willow
 - gastropod shells
 - an organism's body


 

  damage to DNA       