Each chain of DNA is formed by the union of many nucleotides by means of:
Correct answer: B. Phosphodiester bonds
- A. Double bond
- B. Phosphodiester bonds
- C. Covalent bond
- D. Hydrogen bond
- E. Single bond
Explanation
Each chain of DNA is formed by the union of many nucleotides through phosphodiester bonds. Phosphodiester bonds are covalent bonds. So option B is correct answer.
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About Chromosomes
Chromosomes are DNA-protein structures that carry genes and become visible during cell division. Coverage includes chromatin, centromeres, sister chromatids, homologous chromosomes, chromosome number, and the distinction between diploid and haploid cells, with links to DNA replication, mitosis and meiosis.
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