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2 polynucleotide strands make up a DNA and these strands are held togatehr by hydrogen bonds. In D.N.A there are 2 polynucleotide strands in R.N.A there is usually 1 polynucleotide strand.

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12y ago
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11y ago

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12y ago

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Q: In DNA molecule how many polynucleotide strands are present?
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