Explain the double strand complementary nature of dna as related to its function in the cell

The DNA can repair itself because of the double strand structure: you always have one part untouched, and the other one can be repaired because of its complementary. With the double strand you can also replicate the DNA in the cell.
I don’t know if that’s enough, because technically you can develop a lot more on the function of the DNA in the cell...

Scientists examine each other's work often to make sure it is not biased or unreliable. this makes for a group effort and reliable information.