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24.02.2021 •
Biology
What is the chemical bonds between nitrogenous bases
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Ответ:
Cytosine and guanine, when base paired, have three hydrogen bonds between them. Adenine and thymine only have two. This extra hydrogen bond helps make the cytosine-guanine pair favorable because it increases stability, and reduces bond energy. Ionic and covalent bonds do not occur between nitrogenous bases in DNA.
Explanation:
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