Biomolecules Question 37

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

(a) Lipase

(b) Protease

(c) Endonuclease

(d) Exonuclease

Show Answer

Answer : c

Hints & Solutions

(c) Endonucleases hydrolyse internal phosphodiester bonds in a polynucleotide chain (DNA). While exonucleases hydrolyse terminal phosphodiester bonds in a polynucleotide chain (DNA).