ALFRED PASIEKA / SCIENCE PHOTO LIBRARY ALFRED PASIEKA / SCIENCE PHOTO LIBRARY
DNA. Computer model of the surface of part of a DNA (deoxyribonucleic acid) helix. The atoms show as spheres in this electrostatic potential map. DNA is a large molecule that is found in the nuclei of cells, the microscopic structural units of living organisms. DNA contains an inheritable genetic code that controls the biochemistry of life.
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