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United States Department of Agriculture

Agricultural Research Service

Image Number D1364-1

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Image Number D1364-1

Molecular biologist Tom Truscott views a live-animal test for scrapie.  The red areas indicate the presence of the scrapie prion protein.


Photo by Peggy Greb.

640 pixels wide: (d1364-1.jpg)

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Last Modified: 12/15/2009
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