ONION DNA ISOLATION

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6 Terms

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Principles

Cell Lysis and Protein Denaturation

Precipitation Reaction

2
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Sodium Dodecyl Sulfate (detergent) and Salt

Homogenizing Solution (Components)

3
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Sodium Dodecyl Sulfate

Specific Detergent Used

4
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Sodium Dodecyl Sulfate

  • Cell Lysis and Protein Denaturation

  • Disrupts the cell membrane and nuclear envelope 

5
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Salt

  • The positively- charged sodium ions from the salt  shield the negative phosphate groups of the DNA molecules, helping them to precipitate out of solution. 

6
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Ethanol

  • extracts/ precipitates DNA out of the solution 

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