DNA — n
deoxyribonucleic acid; a nucleic acid that is the main constituent of the chromosomes of all organisms (except some viruses). The DNA molecule consists of two polynucleotide chains in the form of a double helix, containing phosphate and the sugar deoxyribose forming the backbone and linked by hydrogen bonds between the complementary bases adenine and thymine or cytosine and guanine. Your answer is in red underscored.
DNA is self-replicating, plays a central role in protein synthesis, and is responsible for the transmission of hereditary characteristics from parents to offspring.
