A restriction endonuclease breaks bond between the
(a) base pairs of a DNA molecule
(b) base pairs of a DNA-RNA hybrid molecule
(c) sugar and phosphate components of a nucleic acid molecule.
(d) exons and introns of a DNA molecule.

Dear student,
Answer is c) sugar and phosphate components of a nucleic acid molecule.
Restriction endonuclease breaks the phosphodiester bond between the polynucleotide chain of nucleic acid (DNA or RNA).

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