How id the dna described and what does it mean

The structure of DNA and RNA. DNA is a double helix, while RNA is a single helix. Both have sets of nucleotides that contain genetic information. Credit: udaix Shutterstock. Deoxyribonucleic acid or DNA is a molecule that contains the instructions an organism needs to develop, live and reproduce.

dna is made up of molecules called nucleotides each nucleotide contains a phosphate group, a sugar group and a nitrogen base. the four types of nitrogen bases are adenine (A), thymine (T), guanine (G), and cytosine (C). Deoxyribonucleic acid or DNA is a molecule that contains the instructions an organism needs to develop, live and reproduce. These instructions are found inside every cell, and are passed down from parents to their children.