It's calculated that each of our body's DNA molecules receives about 10,000 impacts daily, mainly from free oxygen radicals. This incredible repair system we living beings have consumes an enormous amount of energy, but repairs more than 99.9% of damage. Explain what happens to the other 0.1% over time and what occurs to the human body. *
make the phosphate-deoxyribose backbone. If you think of the structure of DNA as a ladder, the rungs of the ladder where you would put your hands are made from the nitrogenous bases.
