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Dmitrij [34]
3 years ago
15

The two molecules that make up the sides/ backbone of the dna double helix are

Biology
1 answer:
Nina [5.8K]3 years ago
7 0
it has an alternating chemical<span> phosphate and </span>sugar<span> backbone, making the 'sides' of the ladder. (Deoxyribose is the name of the </span>sugar<span> found in the backbone of DNA.) In between the two sides of this </span>sugar<span>-phosphate backbone are four nitrogenous bases: adenine (A), thymine (T), </span>cytosine<span> (C), and guanine (G).</span>
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