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Principles
Cell Lysis and Protein Denaturation
Precipitation Reaction
Sodium Dodecyl Sulfate (detergent) and Salt
Homogenizing Solution (Components)
Sodium Dodecyl Sulfate
Specific Detergent Used
Sodium Dodecyl Sulfate
Cell Lysis and Protein Denaturation
Disrupts the cell membrane and nuclear envelope
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.
Ethanol
extracts/ precipitates DNA out of the solution