Which of the following hydrolyses internal phosphodiester bonds in a polynucleotide chain?

Lipase

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Ligase

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Exonuclease

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Endonuclease

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Solution

The correct option is D Endonuclease
A restriction enzyme or restriction endonuclease is an enzyme that cuts DNA at or near specific recognition nucleotide sequences known as restriction sites.

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Similar questions

Which one of the following hydrolyses internal phosphodiester bonds in a polynucleotide chain?

$I$	$I I$
$(a)$ Hydrogen bond	$(i)$ Adenine - deoxyric base
$(b)$ N-glycosidic linkage	$(i i)$ Glucose - Fructose
$(c)$ Phosphodiester bond	$(i i i)$ Leucine - Glycine
$(d)$ Peptide bond	$(i v)$ Nucleotide - Nucleotide in polynucleotide chain
	$(v)$ Guanine - Cytosin on opposite strands of DNA

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