Image Number D3761-1
ARS biological science technician Greg Holman checks microbial isolates. The ARS National Laboratory for Genetic Resources Preservation safeguards agriculturally important microbial culture collections by safely backing them up in liquid nitrogen (-320° F). Collections can be readily returned to scientists if original collections are compromised.
Photo by Peggy Greb.
640 pixels wide: (D3761-1.jpg)
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