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04-08-2016
Biology

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What is the role of NaCl and edta in DNA isolation?

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Аноним Аноним

06-08-2016

NaCl provides Na+ ions that will block the negative charge from phosphates on DNA.

Negatively charged phosphates on DNA cause molecules to repel each other. The Na+ ions will form an ionic bond with the negatively charged phosphates on the DNA, neutralizing the negative charges and allowing the DNA molecules to come together

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