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What can be the benefit of low elution volume after restriction fragment purification?

Answer and explanation

Correct answer: DNA concentration can increase

The governing concept is concentration, which is the amount of DNA divided by the volume of solution. If approximately the same recovered DNA mass is eluted in a smaller volume, the DNA concentration increases, making the sample more convenient for ligation, cloning, or another downstream reaction. Therefore, option A is correct. Options B, C, and D do not describe the effect of elution volume: DNA does not become absent, the elution volume does not directly inactivate an enzyme, and it does not make the gel harder. However, the volume should not be made excessively small, because incomplete wetting or poor elution can reduce total DNA recovery.

Related tags

Elution VolumeDna ConcentrationFragment PurificationCutting Of DnaProcesses Of Recombinant Dna TechnologyBiotechnologyClass 11 Mcq

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