DNA EXTRACTION LAB

Question 1

Reason to why salt and soap are used in lysisng solution

Answer 1

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

Question 2

Reason for Isopropyl alcohol cold being used

Answer 2

When cold isopropyl is used the DNA molecules become less soluble casuing it to clump up even more so when its cold

Question 3

What does lysising soltuion do?

Answer 3

Seperates DNA from strawberry cells and helps dissolve membrane

Question 4

DNA stands for

Answer 4

deoxyribonucleic acid

Question 5

DNA building blocks are nucleotides, they are composed of…

Answer 5

A five carbon sugar (pentose sugar)
A single phosphate group
1 of 4 nitrogenous (nitrogen-containing) bases