2.1.3 Tests Nucleotides + Nucleic Acids Flashcards
1
Q
A
2
Q
DNA extraction from plant cells by precipitation method
A
Sample is ground to break down cell walls
Mixed with detergent to break down cell membrane
Salt added to break hydrogen bonds with DNA
Protease enzymes added to break down associated proteins
Ice-cold ethanol added to top off sample to precipitate DNA out
