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

Fact 2: DNA DNA is deoxyribonucleic acid.

Given the two facts above, answer the question "Cells have multiple repair mechanisms to fix mutations in what?" with the following options: 
- Veins and arteries.
 - Most plants
 - the body's largest organ
 - members of their own species
 - wavelengths and photons
 - epidermis and dermis
 - deoxyribonucleic acid
 - peachleaf willow


 

       deoxyribonucleic acid  