Because it is less dense than the alcohol and make it float
It allows DNA to extract from the wheat germ.
to extract the DNA from the solution, isopropyl alcohol is mixed with the DNA solution to precipitate the same.
"Pure" vanilla extract generally contains 35-40% alcohol... "Imitation" vanilla does not use alcohol as an ingredient
We can not extract DNA from RBCs as they are without nucleus. only the source of DNA extraction is Leukocytes, RBCs are not good source of extraction but we can extract DNA from immature RBCs.
According to me, we use alcohol because DNA is insoluble in alcohol, it aggregates together, giving a pellet in centrifugal and we can see a precipitated DNA with naked eyes (that we suppose to see in experiment i.e DNA extraction)....
Potent Lemon Extract McCormick "Pure Lemon Extract" contains 83% alcohol.
Some Ginger ales contain vanilla extract. Vanilla extract contains alcohol.
si
Yes.
Yes.
Salt helps in breaking the protein chains around the nucleic acids