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Question

It is easy to remove DNA histone complex with

A
1M NaCl
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B
NaCl + Mg(OH)2
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C
Mg(OH)2
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D
Cannot be pulled by chemicals.
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Solution

The correct option is A 1M NaCl
Since histones are positively charged & DNA is negatively charged, this complex can be removed by 1M NaCl, it helps in rapidly dissociating the complex into DNA and histone.
So, the correct answer is "1M NaCl".

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