Biology Biotechnology Principles and Processes Processes of Recombinant DNA Technology Single Correct MCQ
Published on: August 13, 2026

What must be done before placing DNA into the electrophoretic chamber?

A
It must be ground up with mortar and pestle
B
It must be cut by restriction endonucleases
C
It must be treated with RNAase
D
None

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The correct answer is:
B

Before electrophoresis in recombinant DNA experiments, DNA is commonly cut into fragments using restriction endonucleases so the fragments can be separated according to size.

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