Ключевые слова: agar, allergy, antibiotic, bacillus, backdrop, biology, biotechnology, closeup, contaminated, culture, danger, dirty, disease, food, fungal, fungi, fungus, green, growth, health, medical, microbe, microbiology, mildew, mold, mould, mycelia, mycelium, nature, organic, organism, petri, plate, proliferation, replication, research, risk, rotten, safety, sanitation, science, sickness, spoiled, spore, spread, structure, subtilis, toxic, unhealthy, unhygienic,