300 dpi: (k9909-1.jpg)
640 pixels wide: (K9909-1.jpg)
 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.
