Home > Biology > Extracting DNA from Cells

What is the function of the addition of salt during DNA extraction?

Answer 1

William Albracht

To help separating the DNA from the associated protein so it becomes long threads that can be seen by the end.

https://tutor.hix.ai on serc.carleton.edu

By signing up, you agree to our Terms of Service and Privacy Policy

Answer 2

Eli Ayoub

The addition of salt during DNA extraction helps to neutralize the charges on the DNA molecule, allowing it to precipitate out of solution more efficiently. Salt also helps to disrupt protein-DNA interactions, aiding in the separation of DNA from other cellular components during the extraction process.

By signing up, you agree to our Terms of Service and Privacy Policy

Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.