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DNA is _____ charged.

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in Biology – Class 12 by (271k points)
DNA is _____ charged.

(a) positively

(b) neutral

(c) negatively

(d) polar

I had been asked this question during an internship interview.

This key question is from Biotechnology topic in portion Biotechnology Principles and Processes of Biology – Class 12

1 Answer

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Correct answer is (c) negatively

To elaborate: DNA is a negatively charged molecule. This negative charge arises due to the presence of negatively charged oxygen present in phosphate groups of DNA backbone.

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