Biology Biotechnology Principles and Processes All Topic Question For Revision Test Single Correct MCQ
Published on: August 13, 2026

In r-DNA technology or genetic engineering elution means –

A
Remove the DNA from centrifuge tube after centrifugation
B
The separated band of DNA are cut out from the gel and extracted from the gel piece
C
Separation of the recombinant protein from recombinant cell
D
Insertion of recombinant DNA into the host cell

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The correct answer is:
B

In recombinant DNA technology, elution refers to the process of recovering (extracting) DNA fragments from the agarose gel after they have been separated by electrophoresis. The desired DNA band is cut out and the DNA is then purified from the gel piece.

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