GIPHOTOSTOCK / SCIENCE PHOTO LIBRARY GIPHOTOSTOCK / SCIENCE PHOTO LIBRARY
Biohazard. Biohazard sticker on the cover of a Petri dish that contains cell culture medium (Dulbecco's Modified Eagle's medium, DMEM). Stacked Petri dishes and a rack with microcentrifuge tubes are in the background. Cell culture medium (or growth medium) is commonly used in biological research to maintain and grow cells in tissue culture. Studio shot.
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