Practicing Success

Target Exam

CUET

Subject

Biology

Chapter

Biotechnology -Principles and Processes

Question:
Why gel electrophoresis is used for ?
Options:
Separation and isolation of DNA fragments .
Replication of DNA for many times.
Construction of recombinant DNA by joining with cloning vectors .
Culturing the host cells in a medium at a large scale .
Correct Answer:
Separation and isolation of DNA fragments .
Explanation:
Gel electrophoresis is used to separate and isolate macromolecules like DNA,RNA and proteins according to their size and charge .