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What is the best revision point of Level 42 Isolation of DNA?

Answer and explanation

Correct answer: Sample lysis, removal of contaminants, DNA precipitation and quality check

In DNA isolation, cells are first broken open by lysis to release DNA. Proteins, RNA and other contaminants are then removed, DNA is precipitated, and its purity and quality are checked. Therefore, option A is the correct revision point because it covers the main workflow. Remembering photosynthesis alone is unrelated to DNA isolation. Exam tip: recall the sequence—lysis, purification, precipitation, quality check.

Related tags

Dna IsolationRecombinant Dna TechnologyCell LysisDna PurificationDna PrecipitationBiotechnology RevisionIsolation Of DnaProcesses Of Recombinant Dna Technology

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