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One of the similarities between DNA and RNA is that both

1. are polymers of nucleotides
2. are capable of replicating
3. have similar sugars
4. have similar pyrimidine bases

Correct answer: are polymers of nucleotides

Solution

DNA and RNA are both nucleic acids made by linking many nucleotide subunits into long chains. They differ in sugar type and one base, but both are polymers of nucleotides.

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