Questions tagged [dna-rna]

For questions regarding nucleic acids, their properties, structures, functions etc.

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22
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3answers
8k views

Pi electron stacking, how does it work?

I've come across the term base-pair stacking (with reference to B-DNA) in my school text book, and I had posted a question in that regard on Bio.SE. I've also seen a similar (albeit brief) version ...
10
votes
1answer
7k views

Most basic nitrogen in Adenine

I need to find the most basic site of Adenine: The $\ce{NH2}$ group and $\ce{NH}$ cant be strong base as electrons are delocalised. This leaves us with $1,7,3$. I thought that electron density on $1,...
9
votes
3answers
94k views

Why is DNA negatively charged and what makes it so?

What part in the strand contributes to the overall non neutral charge? DNA is not isolated in the body, so what keeps it stable while being charged? Why is it important for DNA to be charged?