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Why should harsh shaking be avoided in restriction digest?

Answer and explanation

Correct answer: To reduce the risk of shearing long DNA molecules and affecting enzyme activity

A restriction digest should usually be mixed gently. Harsh shaking can mechanically shear long DNA molecules, producing damaged DNA rather than the expected restriction fragments; it is also unsuitable handling for optimal enzyme activity. Increasing the number of DNA copies is the role of PCR, not restriction digestion. Exam tip: restriction digestion cuts DNA, whereas PCR amplifies DNA.

Related tags

Restriction DigestionDna ShearingRecombinant Dna TechnologyRestriction EnzymesDna HandlingCutting Of DnaProcesses Of Recombinant Dna TechnologyBiotechnology

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