a closeup of a mold (Aspergillus niger) , and bacterial (Staphylococcus aureus) colony on an agar plate.

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Photo credit: © Stonemeadow Photography / Alamy / Afripics
License: Royalty Free
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Keywords: abstract, agar, aspergillus, bacteria, bacteriology, bacterium, biotechnology, circle, colonies, culture, danger, dirty, disease, fungi, germs, growth, hyphae, laboratory, microbe, microbial, microbiology, microorganism, mold, mould, niger, organism, plate, research, safety, science, toxic