mattydoug3738 mattydoug3738

04-02-2024
Biology

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Nucleotide base pairing in DNA is universal across organisms. Each pair (T-A; C-G) consists of a purine and a pyrimidine. Which of the following best explains how the base pairs form?
1) The purine and pyrimidine bases form hydrogen bonds with each other.
2) The purine and pyrimidine bases form covalent bonds with each other.
3) The purine and pyrimidine bases form ionic bonds with each other.
4) The purine and pyrimidine bases form van der Waals interactions with each other.

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