Question

How does chemical damage DNA?

Answer 1

DNA becomes structurally altered when a chemical carcinogen (red star) is bound to a DNA base — this structurally altered DNA is known as a DNA adduct. The DNA addict leads to the insertion of an incorrect base in the opposite DNA strand during replication.

Step-by-step explanation:

In human cells, the integrity of genetic information is constantly challenged by endogenous and exogenous chemical agents that can induce DNA damage.

Answer 2

DNA becomes structurally altered when a chemical carcinogen (red star) is bound to a DNA base — this structurally altered DNA is known as a DNA adduct. The DNA adduct leads to the insertion of an incorrect base in the opposite DNA strand during replication.