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14-02-2024
Biology

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Hydrogen bonds are not as strong as ionic or covalent bonds, but they are able to hold the DNA double helix together because?
1) They form between the nitrogenous bases of the DNA strands
2) They form between the sugar-phosphate backbones of the DNA strands
3) They form between the DNA and RNA molecules
4) They form between the DNA and protein molecules

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