answersLogoWhite

0


Best Answer

Because it need to preserve for DNA expert to use. Just like all the living things if an animals is died in snow, snow are used to preserve them. Same as DNA

User Avatar

Wiki User

14y ago
This answer is:
User Avatar
More answers
User Avatar

Wiki User

14y ago

It actually makes the dehydration of DNA molecules which makes the DNA precipitate.

This answer is:
User Avatar

User Avatar

Wiki User

12y ago

The ice cold ethanol precipitates the dissolved DNA in the solution. The precipitated DNA is centrifuged and the pellet below is collected and dried for further use.

This answer is:
User Avatar

User Avatar

Wiki User

14y ago

Because you wanted to anyway. The ethanol just loosened your inhibitions.

This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: Why does addition of ice-cold ethanol lead to the precipitation of DNA?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

Do cloud always lead to precipitation?

No.


What can precipitation in IV administration lead to?

Precipitation from the solution may lead to complications such as pulmonary microcapillary occlusion and blockage of blood flow.


What can water in clouds undergoes condensation lead to?

precipitation


Can lead be prepared by precipitation?

lead sulfate can be precipitated, but plain lead is already solid, and gets that way at room temperature.


Is precipitation a physical change?

Precipitation in weather terms (rain, snow, etc.) is a physical process. Precipitation in chemical terms (e.g. lead iodide falling out of solution) is a chemical change.


May lead to turbulent and precipitation is which type of front?

The type of front which will lead to turbulent air and precipitation is a cold front. When warm cold air collides with warm air, it will generally produce severe weather.


Which countries lead in the use of ethanol fuel?

Brazil is the leader using as high as 25% Ethanol+Gasoline mixture... very closely followed by USA.. other countries like China, Australia, Sweden, Colombia use Ethanol as fuel.


Is precipitate physical change?

Precipitation in weather terms (rain, snow, etc.) is a physical process. Precipitation in chemical terms (e.g. lead iodide falling out of solution) is a chemical change.


Can mercury and lead be parts of acid precipitation?

It is possible, especially if there was a fire where these elements where present.


Is there a precipitation w potassium chloride and lead II acetate?

Yes. PbCl2 (s)


What damage could result from ethanol in a gasoline engine?

Ethanol can cause damage to engine parts. It can also lead to damage with seals that protect your motor because it eats away at rubber.


What does ethanol do to the human body?

Ethanol is basically bad for you. A little is ok, but you have to be sencible. Too much ethanol can lead to high riscs of trauma, and is stored in the liver and cause seizures. Way to much and you can die or kill someone else through your fault of drinking.