DNA Extraction Flashcards
1
Q
Step
A
Purpose
2
Q
Breaking the Sample
A
Releases the DNA from the cells.
3
Q
Detergent
A
Breaks down the cell and nuclear membranes, which are made of lipids.
4
Q
Salt
A
Neutralizes the DNA’s negative charge, allowing it to clump together.
5
Q
Filtering
A
Removes debris, leaving the DNA in the liquid.
6
Q
Ethanol
A
DNA is insoluble in ethanol, so it precipitates out of the solution, making it visible.
