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Nata [24]
3 years ago
10

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

Biology
1 answer:
Alex3 years ago
5 0
<span>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</span>
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