DNA Extraction and Analysis Quiz
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Questions and Answers

What is the purpose of the precipitation stage in DNA extraction?

  • Removing impurities and proteins (correct)
  • Initiating cell lysis
  • Purifying the DNA sample
  • Extracting DNA into the buffer

    • What methods can be used to analyze the extracted DNA?

  • Centrifugation, chromatography, spectrophotometry
  • PCR, sequencing, cloning (correct)
  • Restriction digestion, transformation, transfection
  • Gel electrophoresis, western blotting, ELISA

    • What is the first stage of DNA extraction?

  • Cell lysis
  • Precipitation
  • Purification
  • Cell dissolution (correct)

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