Ключевые слова: agar, analysis, analyzing, bacteria, bacterium, biological, biologist, biology, biotechnology, cell, chemical, chemistry, coli, colonies, culture, danger, disease, dish, escherichia, examination, experiment, experimental, glassware, growth, health, healthcare, infection, instrument, jelly, lab, laboratory, medical, medicine, microbiology, microorganism, organism, petri, plate, poisonous, protective, research, risk, science, scientific, sickness, tests, toxic, vaccine, virology, virus,