Cell Biology
DNA, or deoxyribonucleic acid, is a molecule that carries the genetic instructions essential for the growth, development, functioning, and reproduction of all living organisms. It is structured as a double helix, composed of two long strands of nucleotides running in opposite directions, which allows it to store and transmit biological information. The specific sequence of nucleotides within DNA encodes the instructions for building proteins, making it fundamental to cellular function and heredity.
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