yellow bacterial colonies culture petri dish isolated black |
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| navigate by keyword : agar background bacteria bacteriology bacterium biological biology biotechnology black cell clinic colonies colony color culture danger dish exam experiment glass growth health healthcare hygiene image incubate incubator inoculation isolated laboratory medical medicine medium micro microbiology microflora microorganisms object passage pathogen pathogenic petri plate prokaryote research risk safety sample science scientific strain substance test toxic warning yellow |
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| Yellow bacterial colonies on a petri plate ( dish ) isolated on a black background. Pure oil-degrading bacterial culture used. Nutrient agar media used. |
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