AFMC AFMC Solved Paper-2001

  • question_answer
    DNA nucleotides are attached by :

    A)                 hydrogen bonds                              

    B)                 covalent bonds

    C)                 van der Wall's force

    D)                  electrovalent bonds

    Correct Answer: B

    Solution :

    DNA is a double stranded, helically arranged polymer of nucleotides. Nucleotides of each strand are joined to each other by phosphodiester bonds a type of covalent bond.


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