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Class 11BiotechnologyProcesses of Recombinant DNA TechnologyIsolation of DNAEasy
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Why should sample tubes be kept open for a short time in DNA extraction?

Answer and explanation

Correct answer: To reduce contamination

Open tubes can bring airborne contaminants and nucleases. Short careful handling keeps samples safe.

Related tags

Open TubesContaminationNucleasesIsolation Of DnaProcesses Of Recombinant Dna TechnologyBiotechnologyClass 11 Mcq
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10 more MCQs
  1. 1What is the main purpose of DNA isolation?
  2. 2What is a common first task in DNA isolation?
  3. 3Why may breaking the cell wall be necessary in DNA isolation?
  4. 4What is the process of breaking the cell membrane called?
  5. 5What is the main role of detergent in DNA isolation?
  6. 6Detergents like SDS are linked with what in DNA isolation?
  7. 7Why are enzymes like protease useful in DNA isolation?
  8. 8Why is RNase used in DNA isolation?
  9. 9What is the main role of EDTA in DNA isolation?
  10. 10Why can DNase enzyme be harmful for a DNA sample?
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