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United States Department of Agriculture

Agricultural Research Service


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Image Number K8851-1

Chemist Karl Kramer (left) examines the molecular interactions between biotin and avidin, a biopesticide protein in the corn. Meanwhile, technician Thomas Morgan examines insects feeding on avidin corn.

Photo by Peggy Greb.



640 pixels wide: (k8851-1.jpg)




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Last Modified: 2/2/2017
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