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NEET Biology · Medium

Biomolecules: Nucleic Acid Precision MCQ

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Nucleic Acid PrecisionMediumQuestion 10503

Question

In a DNA strand, the sugar-phosphate backbone is held mainly by:

  1. A
    Phosphodiester bonds
    Correct
  2. B
    Hydrogen bonds between bases
  3. C
    Peptide bonds
  4. D
    Glycosidic bonds between amino acids

Correct answer

Phosphodiester bonds

Explanation

Hydrogen bonds connect complementary bases, but phosphodiester bonds build each strand's backbone.

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