Q. Which one of the following hydrolyses internal phosphodiester bonds in a polynucleotide chain?
A) Lipase
B) Protease
C) Endonuclease
D) Exonuclease
Explanation
Endonucleases hydrolyse the internal phosphodiester bond. Exonucleases cleave the terminal nucleotides. Lipase digest fats and proteases break down proteins.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.