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SOLVED: How does salt and alcohol help in DNA precipitation?a. All the answers are correct.b. The addition of alcohol makes it much easier for sodium to interact with the phosphates shielding the negative charge of DNA, making DNA more hydrophilic, and causing it to drop out of the solution.c. The positively charged sodium ions can neutralize the negative charge on the sugar phosphate backbone of DNA.d. Sodium ions shield the negative charge of phosphates which makes DNA less hydrophilic and all
SOLVED: How does salt and alcohol help in DNA precipitation?a. All the answers are correct.b. The addition of alcohol makes it much easier for sodium to interact with the phosphates shielding the negative charge of DNA, making DNA more hydrophilic, and causing it to drop out of the solution.c. The positively charged sodium ions can neutralize the negative charge on the sugar phosphate backbone of DNA.d. Sodium ions shield the negative charge of phosphates which makes DNA less hydrophilic and all
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