The exact causes of chronic kidney failure are unknown, although the debilitating loss of healthy kidney tissue may be a natural endpoint for several readily recognizable conditions, including advanced dental disease and a variety of kidney infections, inflammations and obstructions.
Sodium chloride was needed to ensure the proteins in the cell aren't separated from the rest of the solution with the DNA. Okay, the person above does not understand Chemistry nor the English language. The sodium chloride, NaCl, is a polar molecule, which would help separate an emulsion of two layers in an acid-base extraction. Since NaCl is polar, it would be easily dissolved into the solution and tie up the different layer molecules.
Procedure for DNA Extraction. 1 Add Â¼ tsp. of salt to your water. 2 Swish the salt water in your mouth, scraping against the inside of your. cheeks with your teeth. â¢ The salt helps collect cells. 3 Spit the salt water back in the cup. 4 Add 1 teaspoon of dilute soap to each cup, and mix with a stirrer.