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प्रश्न
The net electric charge on DNA and histones is ______.
विकल्प
negative and positive, respectively
both negative
both positive
zero
उत्तर
The net electric charge on DNA and histones is negative and positive, respectively.
Explanation:
On DNA and histones, the net electric charge is both negative and positive. The presence of phosphate ions in the nucleotides makes the DNA molecule negatively charged. Because lysine and arginine amino acid residues are present, his tones are positively charged.
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