Practicing Success

Target Exam

CUET

Subject

Biology

Chapter

Biotechnology -Principles and Processes

Question:
Which among the following enzyme is used for the removal of nucleotides from the ends of DNA ?
Options:
Endonucleases .
Polymerases .
Exonucleases .
All of these.
Correct Answer:
Exonucleases .
Explanation:
Restriction enzymes belong to a larger class of enzymes called nucleases. These are of two kinds; exonucleases and endonucleases. Exonucleases remove nucleotides from the ends of the DNA.