Ключевые слова: agar, antibiotics, background, bacteria, bacterium, biology, biotechnology, black, bubonic, bubonic plague, close, colonies, culture, disease, dish, experiment, fungi, genetics, growth, health, hygiene, isolated, lab, laboratory, macro, medical, medicine, microbiology, microorganisms, mold, mycology, on, penicillin, petri, plague, plate, research, science, scientific, sickness, study, up, yeast,