DNA (deoxyribonucleic acid) is the nucleic acid polymer that forms the genetic code for a cell or virus. Most DNA molecules consist of two polymers (double-stranded) of four nucleotides that each ...

† Department of Chemistry & Biochemistry, University of Colorado—Boulder, 215 UCB, Boulder, Colorado 80309, United States ‡ JILA, University of Colorado—Boulder and National Institute of Standards and ...