Sides of DNA molecule

[smalik]

[img]
What do you put in the labeled parts. It is getting more and more confusing- when the more I look at.
Please label the parts, and explain why it is labeled so.

[canalon]

WE won't do your homework for you. I can already tell you that some of your handwritten labels are incorrect since every base is identical in structure (only the A, T, G or C part changes) so a similar shape in your figure represents the same structural group.

And if you read (or even look at the figures) the following pages you will have all that you need to complete your figure:
http://en.wikipedia.org/wiki/DNA

Good luck