Explain DNA.
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DNA (Deoxyribonucleic Acid):
DNA is a molecule that encodes the genetic instructions used in the development and functioning of all known living organisms. Composed of two long chains forming a double helix, each strand consists of nucleotides containing adenine (A), thymine (T), cytosine (C), and guanine (G). The sequence of these base pairs determines genetic information. DNA is located in the cell nucleus, where it orchestrates cellular activities and serves as the blueprint for protein synthesis. Its ability to replicate ensures the inheritance of genetic traits from one generation to the next.