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Sophie [7]
3 years ago
8

Is DNA usually a string of nucleotides

Biology
2 answers:
Reptile [31]3 years ago
7 0
DNA is made up of three subunits: a deoxyribose 5 carbon sugar, a phosphorous group, and a nitrogenous base (adenine, thymine, guanine, cytosine). All in all, these are called nucleotides that wrap around in a double helix in order to form DNA.
Svetlanka [38]3 years ago
4 0
In living organisms DNA<span> does not </span>usually<span> exist as a single molecule, but ...... Levene suggested that </span>DNA<span>consisted of </span>a string of nucleotide<span> units</span>
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