The net electric charge on DNA and histones is

Both negative

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Both positive

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Zero

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Negative and positive, respectively

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Solution

The correct option is D
Negative and positive, respectively

Histones carry positive charge, because they have an abundance of basic proteins arginine and lysine. The negatively charged DNA is wrapped around positively charged histone resulting in a net positive and negative charge.

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Similar questions

Regarding assertion and reason, select the right option.

Assertion [A]: Charge of DNA molecule is negative.
Reason [R]: Histone proteins associated with DNA are positively charged.

x^{2} + 99 x + 127

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