DNA EXTRACTION LAB Flashcards
1
Q
Reason to why salt and soap are used in lysisng solution
A
Salt- Breaks up protien chains making the DNA less soluble in the alcohol
Soap- Soap is used to break straberry cell so that DNA can only be left in solution
2
Q
Reason for Isopropyl alcohol cold being used
A
When cold isopropyl is used the DNA molecules become less soluble casuing it to clump up even more so when its cold
3
Q
What does lysising soltuion do?
A
Seperates DNA from strawberry cells and helps dissolve membrane
4
Q
DNA stands for
A
deoxyribonucleic acid
5
Q
DNA building blocks are nucleotides, they are composed of…
A
A five carbon sugar (pentose sugar)
A single phosphate group
1 of 4 nitrogenous (nitrogen-containing) bases