![Colchicine, a treatment for gout, was originally derived from the stem and seeds of the meadow saffron (autumn crocus). Illustration: National Agriculture Library, ARS, USDA.](https://webarchive.library.unt.edu/eot2008/20090116052750im_/http://www.free.ed.gov/images/resources/0661.jpg)
![](https://webarchive.library.unt.edu/eot2008/20090116052750im_/http://www.free.ed.gov/images/transp.gif)
![](https://webarchive.library.unt.edu/eot2008/20090116052750im_/http://www.free.ed.gov/images/arro4.gif) |
Science Education includes booklets on cells, genes, health, chemistry, and medicines. The booklets...
|
![](https://webarchive.library.unt.edu/eot2008/20090116052750im_/http://www.free.ed.gov/images/transp.gif) |
|
![](https://webarchive.library.unt.edu/eot2008/20090116052750im_/http://www.free.ed.gov/images/transp.gif) |
![The image on this slide is a photograph of the model of the DNA molecule built by Drs. James Watson and Francis Crick in 1953. Drs. Watson and Crick used this model to depict their proposed structure](https://webarchive.library.unt.edu/eot2008/20090116052750im_/http://www.free.ed.gov/images/resources/bioed-online.jpg)
![](https://webarchive.library.unt.edu/eot2008/20090116052750im_/http://www.free.ed.gov/images/transp.gif)
![](https://webarchive.library.unt.edu/eot2008/20090116052750im_/http://www.free.ed.gov/images/arro4.gif) |
Bioed Online features lessons on the water cycle and global warming, the X chromosome, sleep and daily...
|
![](https://webarchive.library.unt.edu/eot2008/20090116052750im_/http://www.free.ed.gov/images/transp.gif) |
|
![](https://webarchive.library.unt.edu/eot2008/20090116052750im_/http://www.free.ed.gov/images/transp.gif) |
![Magnified image of a tiny creature.](https://webarchive.library.unt.edu/eot2008/20090116052750im_/http://www.free.ed.gov/images/resources/ben.jpg)
![](https://webarchive.library.unt.edu/eot2008/20090116052750im_/http://www.free.ed.gov/images/transp.gif)
![](https://webarchive.library.unt.edu/eot2008/20090116052750im_/http://www.free.ed.gov/images/arro4.gif) |
BEN: BiosciEdNet provides access to more than 4,000 reviewed resources covering 76 biological science...
|
![](https://webarchive.library.unt.edu/eot2008/20090116052750im_/http://www.free.ed.gov/images/transp.gif) |
|
![](https://webarchive.library.unt.edu/eot2008/20090116052750im_/http://www.free.ed.gov/images/transp.gif) |
![Cells use the two-step process of transcription and translation to read each gene and produce the string of amino acids that makes up a protein.](https://webarchive.library.unt.edu/eot2008/20090116052750im_/http://www.free.ed.gov/images/resources/dna-microarray.jpg)
![](https://webarchive.library.unt.edu/eot2008/20090116052750im_/http://www.free.ed.gov/images/transp.gif)
![](https://webarchive.library.unt.edu/eot2008/20090116052750im_/http://www.free.ed.gov/images/arro4.gif) |
DNA Microarray is a "virtual lab" of a DNA microarray experiment. Compare samples of healthy tissue and...
|
![](https://webarchive.library.unt.edu/eot2008/20090116052750im_/http://www.free.ed.gov/images/transp.gif) |
|