Biology Biotechnology Principles and Processes Principles of Biotechnology and Restriction Enzymes Single Correct MCQ
Published on: August 14, 2026

In gel electrophoresis, the separated bands of DNA are cut out and extracted from the gel piece. This step is called

A
elution
B
origin of replication
C
competency
D
transformation

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The correct answer is:
A

After gel electrophoresis, desired DNA fragments are cut from the gel and purified in a process called elution. This allows the DNA to be used in further experiments like cloning or PCR.

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