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1:24
britannica.com
DNA's double-helix polymer structure and base pairs | Britannica
Animated structure of a DNA molecule, showing the deoxyribose sugar molecules (green) and phosphate molecules (yellow crosses) that form the basic outer framework of the DNA double helix. Pairs of nitrogenous bases (adenine bound to thymine and guanine bound to cytosine), which form bonds that look like the rungs of a ladder, connect the outer ...
Oct 21, 2023
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