Biology, 25.02.2021 19:30, lohnnaw4813

Explain how the backbone of DNA is constructed from nucleotide building blocks. A. DNA's backbone is not constructed from nucleotide units.

B. Nucleotide building blocks use covalent bonds to attach to one another at their sugar and phosphate ends.

C. Nucleotides use hydrogen bonds to attach themselves to the backbone.

D. Nitrogen bases use hydrogen bonds to attach to one another across the center of the molecule.

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Explain how the backbone of DNA is constructed from nucleotide building blocks. A. DNA's backbone i...