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Rasek [7]
2 years ago
9

What are the rungs of the dna ladder made of?

Biology
1 answer:
dangina [55]2 years ago
5 0
The sides of the ladder are made of alternating sugar<span> and </span>phosphate<span> molecules. The </span>sugar<span> is </span>deoxyribose<span>. The rungs of the ladder are pairs of 4 types of nitrogen bases. Hope this answers the question. Have a nice day.</span>
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