I checked on wiki this time just to make sure and its regarding DNA strands.
As for value pay me a tenner and I'll take it off your hands for you.
You probaly have a better chance of winning the lottery than this being of use.
Set up a basic site, grab some info, couple of google ads but god knows why.
If you can do a search for books on DNA and then give that a go.
You may get one sale from a uni student if your lucky