Question:medium

DNA ligase is the molecular glue or gum, which joins together the cut-ends of DNA by creating

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DNA ligase acts as a molecular glue by catalyzing the formation of a covalent phosphodiester bond between adjacent 3'-OH and 5'-\(\text{PO}_4^{3-}\) groups, sealing nicks in the sugar-phosphate backbone.
Updated On: Jul 31, 2026
  • Phosphotriester bond
  • Phosphodiester bond
  • Hydrogen Bond
  • N-glycosidic bond
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The Correct Option is B

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