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What chemicals are the sides of the DNA ladder made of?
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What chemicals are the sides of the DNA ladder made of?

User Gfdx
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The sides of the ladder are made of alternating sugar and phosphate molecules. The sugar is deoxyribose. The rungs of the ladder are pairs of 4 types of nitrogen bases. Two of the bases are purines- adenine and guanine.

User Florian Schaetz
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