red bacterial colonies petri dish isolated black background |
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| navigate by keyword : agar backgrounds bacteria bacteriology bacterium biological biology biotechnology cell clinic close colonies colony color culture danger dish exam experiment glass growth health healthcare hygiene image incubate incubator laboratory medical medicine medium micro microbial microbiology microflora microorganisms object orange passage pathogen pathogenic petri plate red research risk safety sample science scientific strain substance test warning |
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| Colonies of oil-oxydizing bacteria of red-orange color on a petri plate (dish) isolated on black. Nutrient agar media used. Focus on full depth. |
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