what does dna stand for?

best answer
Deoxyribonucleic acid (/ d iː ˈ ɒ k s ɪ ˌ r aɪ b oʊ nj uː ˌ k l iː ɪ k-ˌ k l eɪ-/ ; DNA) is a polymer composed of two polynucleotide chains that coil around each other to form a double helix carrying genetic instructions for the development functioning growth and reproduction of all known organisms and many viruses.