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ARS Home Office of Communications Images Photos Oct08





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Image Number D1244-1 Chemist Charles Lee inspects a petri dish containing xylan, a component of the hemicellulose in plant cell walls. Bacteria that produce xylanase were streaked onto the dish in a wavy pattern, and the clear areas are where the xylanase is degrading the xylan.  Photo by Peggy Greb.  640 pixels wide: (d1244-1.jpg)   Please visit our Image Gallery


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