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What is the primary purpose of agarose gel electrophoresis?

Answer and explanation

Correct answer: To separate DNA fragments according to their size

When an electric field is applied, negatively charged DNA fragments move toward the positive electrode through the agarose gel. Smaller fragments pass through the gel more easily, so they travel farther than larger fragments and become separated by size. DNA replication and direct sequence modification are not the primary functions of this technique. Exam tip: In agarose gel electrophoresis, smaller DNA fragments migrate farther.

Related tags

Agarose Gel ElectrophoresisDna FragmentsGenetic EngineeringMolecular BiologyEasyPrinciples Of BiotechnologyBiotechnologyClass 11 Mcq

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