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The sodium acetate disrupts the solvent shell created by the water; which is what makes DNA soluble in water. So as you could imagine, if the solvent shell is disrupted the DNA precipitates out.

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Sodium acetate is often used in DNA precipitation because it disrupts the hydrogen bonds between DNA strands and ions in the solution, allowing the DNA to aggregate and subsequently precipitate out of solution. This precipitation process is further enhanced by the addition of ethanol or isopropanol, which causes the DNA to become less soluble and form a visible mass that can be separated by centrifugation.

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Q: How sodium acetate precipitate DNA?
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Why you add sodium acetate in dna extraction?

Sodium acetate is added during DNA extraction to help precipitate the DNA by neutralizing the electric charge on the DNA molecules. This allows the DNA to aggregate together and be easily separated from other cellular components. Additionally, sodium acetate helps to create the optimal conditions for the DNA to form a stable precipitate when mixed with alcohol.


Role of Sodium acetate in plasmid isolation?

Sodium acetate is used in plasmid isolation as a precipitation agent to help remove contaminants such as proteins and genomic DNA from the plasmid DNA sample. By adjusting the pH and salt concentration in the solution, sodium acetate allows the selective precipitation of plasmid DNA, which can then be separated from the rest of the sample by centrifugation.


Function of sodium acetate in DNA extraction?

Sodium chloride help to separate DNA from other proteins.


Will there be a gelatenous precipitate in the reaction of barium acetate and sodium carbonate?

Yes, there will be a gelatinous white precipitate of barium carbonate formed when barium acetate and sodium carbonate are mixed together in aqueous solution. This is due to the precipitation reaction that forms an insoluble salt, barium carbonate.


If you mix sodium bromide and silver acetate what will this create?

When sodium bromide and silver acetate are mixed, they will react to form silver bromide and sodium acetate. Silver bromide is a white precipitate that will settle out of the mixture, while sodium acetate remains dissolved in the solution.