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Where are the sides of a DNA molecule made of
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Where are the sides of a DNA molecule made of

User Mohammad Sommakia
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The shape of DNA is a double helix, which is like a twisted ladder. 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.
User EuTIMER
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