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14 March, 08:22

Dna is made of two chains of nucleotides. which type of bonds hold the chain together

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Answers (2)
  1. 14 March, 10:51
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    A DNA molecule consists of two strands of nucleotides twisted together to form a double helix. The sugar-phosphate backbone is found on the outside of this helix and the bases are found braching towards the middle. Hydrogen bonds join the the nitrogenous bases and hold the two strands together.
  2. 14 March, 12:06
    0
    Phosphodiester bonds.

    Explanation:

    DNA is the genetic material of the almost all the organism. The DNA is made of the polymer of nucleotides that contains the nitrogenous bases, pentose sugar and the phosphate molecule.

    The DNA is a double stranded molecule that contains two DNA strands. The two strands are joined together through the phosphodiester bond. This bons is a type of covalent bond that joins the two strand together.

    Thus, the correct answer is covalent bond.
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