A nuclease is an enzyme which catalyzes
A) the synthesis of nucleotides from bases and sugar-phosphates.
B) the hydrolysis of nucleotides to nucleosides and inorganic phosphate.
C) the hydrolysis of cyclic AMP.
D) the synthesis of a polynucleotide chain from nucleotide units.
E) the hydrolysis of internucleotide linkages of a polynucleotide chain.

Question

Quizplus · Accepted Answer

A nuclease is an enzyme that breaks down nucleic acids by hydrolyzing the phosphodiester bonds between nucleotides in a polynucleotide chain. Therefore, the correct answer is E, the hydrolysis of internucleotide linkages of a polynucleotide chain.

A Nuclease Is an Enzyme Which Catalyzes