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United States Department of Agriculture

Agricultural Research Service

ARS Photo Library

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Image Number K9909-1

Microbiologist Nancy Nichols and biochemical engineer Bruce Dien add yeast to a bioreactor to begin ethanol fermentation. Bt and non-Bt corn hybrids were compared for ethanol yields.

Photo by Scott Bauer.

640 pixels wide: (K9909-1.jpg)

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Last Modified: 5/23/2006
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